Thailand

Thailand can be divided into five geographic and cultural regions:

• Bangkok (Thai: กรุงเทพมหานคร) — Thailand's bustling, frenetic capital, known among the Thai as Krung Thep
• (Thai: พระนครศรีอยุธยา) — a historical city, UNESCO World Heritage Site and old capital of Siam (full name is Phra Nakhon Si Ayutthaya)
• Chiang Mai (Thai: เชียงใหม่) — de facto capital of Northern Thailand and the heart of Lanna culture
• (Thai: เมืองเชียงราย) — gateway to the Golden Triangle, ethnic minorities and mountain treks
• Kanchanaburi (Thai: กาญจนบุรี) — home of the Bridge over the River Kwai and numerous World War II museums
• (Thai: นครราชสีมา) — largest city of the Isaan region, also known as Khorat.
• Pattaya (Thai: พัทยา) — one of the main tourist destinations, known for its wild nightlife
• (Thai: สุโขทัย) — Thailand's first capital, still with amazing ruins
• Surat Thani (Thai: สุราษฎร์ธานี) — home of the Srivijaya Empire, gateway to the Samui archipelago

• (Thai: เขาสก) — one of the most beautiful wildlife reserves in Thailand
• Khao Yai National Park (Thai: เขาใหญ่) — take a night time Jeep safari spotting deer or visit the spectacular waterfalls
• (Thai: เกาะช้าง) — once a quiet island, now undergoing major tourism development
• Ko Lipe (Thai: เกาะหลีเป๊ะ) — small island in the middle of Tarutao National Park, with great reefs and beaches
• (Thai: เกาะพะงัน) — site of the famous Full Moon Party with miles of quiet coastline
• Ko Samet (Thai: เกาะเสม็ด) — the nearest island beach escape from Bangkok
• (Thai: เกาะสมุย) — comfortable, nature, and entertainment hippie mecca gone upmarket
• Krabi Province (Thai: กระบี่) — beach and water sports mecca in the south, includes Ao Nang, Rai Leh, Ko Phi Phi, and Ko Lanta
• (Thai: ภูเก็ต) — the original Thai paradise island, now very developed but with some still beautiful beaches

Thailand is the country in Southeast Asia most visited by tourists, and for good reason. You can find almost anything here: thick jungle as green as can be, crystal blue waters that feel more like a warm bath than a swim in the ocean, and food that can curl your nose hairs while tap dancing across your taste buds. Exotic, yet safe; cheap, yet equipped with every modern amenity you need, there is something for every interest and every price bracket, from beach front backpacker bungalows to some of the best luxury hotels in the world. And despite the heavy flow of tourism, Thailand retains its quintessential identity, with a culture and history all its own and a carefree people famed for their smiles and their fun-seeking sanuk lifestyle. Many travellers come to Thailand and extend their stay well beyond their original plans and others never find a reason to leave. Whatever your cup of tea is, they know how to make it in Thailand.
This is not to say that Thailand doesn't have its downsides, including the considerable growing pains of an economy where an agricultural labourer is lucky to earn 100 baht per day while the nouveaux riches cruise past in their BMWs. Bangkok, the capital, is notorious for its traffic jams and rampant development has wrecked much of once-beautiful Pattaya and Phuket. In heavily touristed areas, some lowlifes, both Thai and farang, have made scamming tourists into an art form.
Finally, despite being relatively economically developed, Thailand still suffers from problems that afflict most Southeast Asian countries, such as new towns and neighbourhoods built haphazardly and with no concern for architectural beauty, the lack of accessibility and pedestrian-friendliness in large cities, and often, presence of trash and litter in both cities and rural areas.

History

The earliest identifiable Thai kingdom was founded in Sukhothai in 1238, reaching its zenith under King Ramkhamhaeng in the 14th century before falling under the control of the kingdom of Ayutthaya, which ruled most of present-day Thailand and much of today's Laos and Cambodia as well, eventually also absorbing the northern kingdom of Lanna. Ayutthaya was sacked in 1767 by the Burmese, but King Taksin regrouped and founded a new capital at Thonburi. His successor, General Chakri, moved across the river to Bangkok and became King Rama I, the founding father of the Chakri dynasty that still rules in a constitutional monarchy.
Known as Siam until 1939, Thailand is Southeast Asia's oldest independent country and the only one never to have been colonised by a foreign power, and the country's inhabitants are fiercely proud of that fact. A bloodless revolution in 1932 led to a constitutional monarchy. During World War II, while Japan conquered the rest of Southeast Asia (see Pacific War), only Thailand was not conquered by the Japanese due to smart political moves. Allied with Japan during World War II, Thailand became a US ally following the conflict. Thailand was a base of US air operations during the Vietnam War. There was a communist insurgency, with little success, that only ended in 1983. After a string of military dictatorships and quickly toppled civilian prime ministers, Thailand stabilized into a fair approximation of a democracy and the economy boomed through tourism and industry.
On December 26, 2004, an earthquake in the Indian Ocean caused a tsunami to hit Thailand's western coast, causing tremendous damage and killing thousands of people, especially at the seaside resorts.
In September 2006, a swift and bloodless military coup overthrew populist tycoon Thaksin Shinawatra's democratically-elected but widely criticized government, exposing a fault line between the urban elite that has ruled Thailand traditionally and the rural masses that supported Thaksin. Thaksin went into exile and a series of unstable governments followed, with the successors of Thaksin's Thai Rak Thai party and the royalist-conservative People's Alliance for Democracy duking it out both behind the scenes and, occasionally, out in the streets, culminating in Bangkok's airports being seized and shut down for a week in Nov 2008.
A new party led by Thaksin's sister, Yingluck Shinawatra, won the 2011 elections, but while like Thaksin, she maintained popularity in the Central Thai countryside, the North and Isaan, and among Muslims in the South, powerful people in the Thai military and the Bangkok establishment never accepted the legitimacy of her government, and on May 7, 2014, Thailand's Constitutional Court ordered her and her cabinet to step down. On May 22, 2014, the Thai army staged a bloodless coup, declared a nationwide curfew, and went about arresting members of Yingluck's Pheu Thai Party. The curfew was lifted on June 13, 2014, but the basic elements that have led to the conflict are still unresolved.
After the death in late 2016 of King Bhumibol Adulyadej (Rama IX), the world's longest-reigning monarch and a deeply loved and respected figure of near-mythic proportions, his son King Vajiralongkorn Bodindradebayavarangkun (Rama X) acceded to the throne. A general election was held in March 2019 under a new 2017 Constitution, thus returning Thailand to democracy. However, the new constitution gives the military the exclusive right to appoint senators, and also gives senators a vote in selecting the prime minister, thus granting the military substantial influence in Thai politics.
Thailand has grown into the main economic centre of the region, and today attracts many migrant workers from its much poorer neighbours Myanmar, Laos and Cambodia.

Politics

The Kingdom of Thailand (ราชอาณาจักรไทย Ratcha-anachak Thai) is a constitutional monarchy, with the king as head of state. The Thai parliament is bicameral, consisting of a military-appointed upper house known as the Senate, as well as a popularly-elected lower house known as House of Representatives. The prime minister is the head of government, and is voted in by the members of both houses of parliament.
In practice, the king's role is largely ceremonial, with the prime minister holding the most authority in government. However, the king and the royal family are still protected by strict lèse majesté laws, which stipulate long jail terms for anybody convicted of insulting the king or any other members of the royal family.

Climate

Thailand is largely tropical. It's hot and humid all year around with temperatures in the 28-35°C range (82-95°F), a degree of relief provided only in the mountains in the far north of Thailand. There are, however, three seasons:

• Cool: From Nov to the end of Feb, it doesn't rain much and temperatures are at their lowest, although you will barely notice the difference in the south and will only need to pack a sweater if hiking in the northern mountains, where temperatures can fall as low as 5°C. This is the most popular time to visit and, especially around Christmas and New Year's or at Chinese New Year a few weeks later, finding flights and accommodation can be expensive and difficult.
• Hot: From Mar-Jun, Thailand swelters in temperatures as high as 40°C (104°F) and heat indices in the 50-60°C range (122-140°F). Pleasant enough when sitting on the beach with a drink in hand, but not the best time of year to go temple-tramping in Bangkok.
• Rainy: From Jul-Oct, although it only really gets underway in Sep, when tropical monsoons hit most of the country. This doesn't mean it rains non-stop, but when it does it pours and flooding is not uncommon.

There are local variations to these general patterns. In particular, the southeast coast of Thailand (including Ko Samui) has the rains reversed, with the peak season being May-Oct and the rainy off-season in Nov-Feb.

People

Thailand's people are largely ethnically Thai, although there are significant minorities of Chinese and assimilated Thai-Chinese throughout the country, Malays in the south near the Malaysian border, Isaan near the Lao border, and hill tribes such as the Karen and the Hmong in the north of the country. Bangkok has a noticeable minority of ethnic Indians. The overwhelmingly dominant religion (95%) is Theravada Buddhism, although Confucianism, Islam, Christianity, Hinduism, Sikhism and animist faiths also jostle for position.

Culture

Mainland Thai culture is heavily influenced by Buddhism. However, unlike the Buddhist countries of East Asia, Thailand's Buddhists follow the Theravada school, which is arguably closer to its Indian roots and places a heavier emphasis on monasticism. Thai temples known as wats, resplendent with gold and easily identifiable with their ornate, multicolored, pointy roofs are ubiquitous. Becoming an orange-robed monk for a short period, typically the three-month rainy season, is a common rite of passage for young Thai boys and men. That being said, there are also prominent Mahayana Buddhist temples, most of which were built in Chinese architectural styles to serve the ethnic Chinese community.
One pre-Buddhist tradition that still survives is the spirit house (ศาลพระภูมิ saan phraphuum), usually found at the corner of any house or business, which houses spirits so they don't enter the house and cause trouble. The grander the building, the larger the spirit house, and buildings placed in particularly unlucky spots may have very large ones. Perhaps the most famous spirit house in Thailand is the Erawan Shrine in Bangkok, which protects the Erawan Hotel (now the Grand Hyatt Erawan), built in 1956 on a former execution ground, and is now one of the busiest and most popular shrines in the city. It and several other popular shrines pay homage to Hindu deities.
Some traditional arts popular in Thailand include traditional Thai dancing and music, based on religious rituals and court entertainment. There is a vibrant popular music scene with morlam and lukthung not at all overshadowed by Western style pop. Famously brutal Thai boxing (muay Thai), derived from the military training of Thai warriors, is undoubtedly the country's best known indigenous sport.
In addition to the mainland Thai culture, there are many other cultures in Thailand including those of the "hill tribes" in the northern mountainous regions of Thailand (e.g., Hmong, Karen, Lisu, Lahu, Akha), the southern Muslims, and indigenous island peoples of the Andaman Sea. The ethnic Chinese population has been largely assimmilated into Thai culture, though vestiges of their Chinese heritage can still be found in Bangkok's Chinatown. The Chinese have, however, left a huge impact on Thailand's culinary scene, and many dishes of Chinese origin, such as noodles, roast pork and steamed buns, have been widely adopted and are now seen as an integral part of Thai cuisine.

Calendar

In addition to the Gregorian calendar, Thailand also uses the Thai solar calendar, the Thai version of the Buddhist calendar, which is 543 years ahead of the common era calendar. Thus, Thai year 2560 corresponds to the Western year 2017. Thai dates in English are often written as B.E., short for "Buddhist Era".
Some Thai holidays are based on the Thai lunar calendar, so their dates change every year in the Western calendar.

Holidays

Thailand has many holidays, mostly related to Buddhism and the monarchy. Nobody celebrates all of them, except for banks, which seem to be closed a lot.

• Chinese New YearThe Chinese New Year for 2020 is on 25 January and marks the start of the Year of the Rat. It is also known as the Spring Festival or the Lunar New Year and celebrations can last for about 15 days. Chinese Thais, who are numerous in Bangkok, celebrate by cleaning their houses and offering food to their ancestors. This is mainly a time of abundant feasting. Visit Bangkok's Chinatown or Yaowarat to fully embrace the festivity.

• Makha BuchaFalls on the full moon of the third lunar month, which usually falls in February or March, and commemorates the spontaneous gathering of 1,250 people before the Buddha, which led to their ordination and subsequent enlightenment. At temples in Bangkok and throughout Thailand, Buddhists carry candles and walk around the main shrine three times in a clockwise direction.

• SongkranUndoubtedly the most fun holiday, is the celebration of the Thai New Year, sometime in April (officially 13-15 Apr, but the date varies in some locations). What started off as polite ritual to wash away the sins of the prior year has evolved into the world's largest water fight, which lasts for three full days. Water pistols and Super Soakers are advised and are on sale everywhere. The best places to participate are Chiang Mai, the Khao San Road area in Bangkok, and holiday resorts like Pattaya, Ko Samui and Phuket. You will get very wet, this is not a spectator sport. The water-throwing has been getting more and more unpleasant as people have started splashing iced water onto each other. It is advisable to wear dark clothing, as light colours may become transparent when wet.

• Coronation Day5 May, commemorates the crowning of King Rama IX in 1950 (although his reign actually began on 9 Jun 1946 - making him the longest-serving monarch in Thai history)

• Loy KrathongFalls on the first full moon day in the twelfth month of the lunar calendar, usually in November, when people head to rivers, lakes and even hotel swimming pools to float flower and candle-laden banana leaves (or, these days, Styrofoam) floats called krathong (กระทง). The krathong is meant as an offering to thank the river goddess who gives life to the people. Thais also believe that this is a good time to float away your bad luck and many will place a few strands of hair or finger nail clippings in the krathong. According to tradition, if you make a wish when you set down your krathong and it floats out of sight before the candle burns out, your wish will come true. Some provinces have their own version of Loy Krathong, such as Sukhothai where a spectacular show takes place. To the north, Chiang Mai and Chiang Rai have their own unique tradition of launching kom or hot-air lanterns. This sight can be breath-taking as the sky is suddenly filled with lights, rivalling the full moon.

• King's Birthday28 July, the King's birthday is the country's National Day and also celebrated as Father's Day, when Thais pay respect to and show their love for his majesty the king. Buildings and homes are decorated with the King's flag (yellow with his insignia in the middle) and his portrait. Government buildings, as well as commercial buildings, are decorated with lights. In Old Bangkok (Rattanakosin) in particular, around the royal palace, you will see lavish light displays on trees, buildings, and the roads. The Queen's Birthday (12 Aug) is Mother's Day, and is celebrated similarly if with a little less pomp.

The official language of Thailand is Thai (ภาษาไทย phaasǎa Thai). It is a tonal language, so it can be difficult for native English speakers to learn quickly, but everyone will appreciate any attempt you make. Thai is a language with many dialects, though the Bangkok dialect, also known as Central Thai, is used as the standard and is taught in all schools. Language schools can be found in all larger Thai cities, including Bangkok and Phuket.

In the Muslim-dominated south, dialects of Malay that are largely incomprehensible to speakers of standard Malay/Indonesian are spoken. Various dialects of Chinese are spoken by the ethnic Chinese community, with Teochew being the dominant dialect in Bangkok's Chinatown. Down south in Hat Yai, Hokkien is also widely understood due to the large number of tourists from Penang. The eastern Isaan dialects are closely related to Lao and there are dozens of small language groups in the tribal areas of the north, some so remote that Thai speakers are few and far between.
Public signage is generally bilingual, written in both Thai and English. There is also some prevalence of Japanese and Chinese signs. Where there is English, it will usually be fairly phonetic - for example "Sawatdee" (meaning hello) is pronounced just as it reads: sa-wat-dee. There is no universal agreement on how to transcribe Thai letters into English, so Khao San Road for example is also commonly spelled Kao Sarn, Kao Sahn, Khao San, Koh Saan, Khaosan, and many other variations. Maps with names in both Thai and English make it easier for locals to try and help you.
Most Thais learn English in school, and most younger upper and middle class Thais, as well as many people working in the service industry in Bangkok and other touristy areas, have a basic grasp of the language. Outside of that, English proficiency is generally poor to non-existent. Most "front desk" people in the travel industry speak at least enough English to communicate, and many are relatively fluent; some also speak one or more other languages popular with their clientèle, such as Chinese, Japanese, German, etc.
Many Thais have trouble pronouncing the consonant clusters of the English language. Common confusion comes from the fact that Thais often pronounce "twenty" as "TEH-wen-ty", making it sound like they're saying "seventy". Therefore it is a good idea to make use of the calculators that street vendors may offer you to avoid confusion about prices offered when buying goods.

Entry requirements

Ordinary passport holders of many Western and Asian countries, including most ASEAN countries, Australia, Canada, most European Union countries, Hong Kong, Japan and the United States do not need a visa if their purpose of visit is tourism. Visitors receive 30-day permits (except for citizens of Korea, Argentina, Brazil, Chile and Peru who get 90 days), but effective 31 Dec 2016, an exemption is granted only twice per calendar year when not arriving by air. Citizens of Myanmar may enter without a visa for 14 days only if they enter by air; entry through any other mode of transport requires a valid visa. Thai immigration requires visitors' passports to have a minimum of 6 months validity and at least one completely blank visa page remaining. Visa-on-arrival is available at certain entry points for passport holders of 21 other nations (Andorra, Bhutan, Bulgaria, China, Cyprus, Ethiopia, Fiji, India, Kazakhstan, Latvia, Lithuania, Maldives, Malta, Mauritius, Papua New Guinea, Romania, San Marino, Saudi Arabia, Taiwan, Ukraine, Uzbekistan). Check the latest information from the Ministry of Foreign Affairs.
Those with passports from countries not widely known, including European city-states, or that have problems with document forgery, should obtain a visa in advance from the nearest Thai embassy. This is true even if visa on arrival is permitted. There are reports of tourists being detained using valid passports not commonly presented in Thailand. In addition, ask for a business card from the person or embassy which granted the visa, so they may be contacted on arrival, if necessary. Anyone whose nationality does not have its own embassy in Bangkok, should find out which third country represents your interests there, along with local contact information.
Those arriving via air from most African and South American countries are required to show yellow fever certificates and receive a stamp on their entry forms from the onsite health centre prior to clearing immigration.
Proof of onward travel, long happily ignored by Thai immigration, has been known to be strictly applied in some instances. Airlines, that have to pay for your return flight if immigration doesn't let you in, are more rigorous about checking for it. A print-out of an e-ticket on a budget airline is sufficient to convince the enforcers, but those planning on continuing by land may have to get a little creative. Buying a fully refundable ticket and getting it refunded once in Thailand is also an option. Land crossings, on the other hand, are a very straightforward process and no proof of onward journey required (unless the border officials decide otherwise).
Overstaying in Thailand is risky. If you make it to Immigration and are fewer than 10 days over, you'll probably be allowed out with a fine of 500 baht per day. However, if for any reason you're caught overstaying by the police you'll be carted off to the notoriously unpleasant illegal immigrant holding pens and may be blacklisted from Thailand entirely. For most people it's not worth the risk: get a legal extension or do a visa run to the nearest border instead. Now that the number of visa exemptions at land borders is limited it is even more attractive to visit an immigration office to extend your visa or visa exemption with 30 days.
Thai immigration officers at land border crossings are known to ask foreigners for bribes of about 20 baht per person before they stamp your passport. Immigration officers at airports generally do not ask for bribes.
It's controversial whether you must carry your passport with you at all times, but police are known to have tried to extort bribes for this. In some situations it has proven to be enough to carry a photocopy of the passport ID page and the page with the latest entry stamp.

By plane

The main international airports in Thailand are at Bangkok (BKK) and Phuket (HKT), which are well-served by intercontinental flights. Practically every airline that flies to Asia also flies into Bangkok, meaning that there is plenty of competition to keep ticket prices down. Bangkok has two major airports: Suvarnabhumi Airport (BKK) which is the main airport and serves most full-service carriers, and the smaller Don Mueang International Airport (DMK) which primarily serves low-cost carriers.
International airports are also located at Hat Yai, Krabi, Ko Samui and Chiang Mai, though these are largely restricted to flights from other Southeast Asian countries. Kuala Lumpur and Singapore make excellent places to catch flights into these smaller Thai cities, meaning you can skip the ever-present touts and queues at Bangkok.
The national carrier is the well-regarded Thai Airways, with Bangkok Airways filling in some gaps in the region. Bangkok Airways offers free Internet access while you wait for boarding to start at your gate. Thai Airways subsidiary Thai Smile (low cost carrier) has also started international operations from India. In addition, Malaysian discount carrier AirAsia has also set up a subsidiary in Thailand, and is often the cheapest option for flights into Thailand.
Chartered flights from and to Thailand from international destinations are operated by Hi Flying group. They fly to Bangkok, Phuket, Ko Samui and Udon Thani.
For a full at-a-glance list of all Thai-based carriers, see the Thai airlines section (below).

By road

Cambodia - six international border crossings. The highway from Siem Reap and the temples of Angkor via Poipet to Aranyaprathet, once the stuff of nightmares, is now merely bad and can usually be covered in less than 3 hours. However, the queues at the Poipet crossing are infamous, and multiple scam artists operate at the crossing; the other crossing like Koh Kong / Hat Lek on the southern route from Sihanoukville to Trat are much quieter and less stressful. The land borders close for the night.
Laos - the busiest border crossing is at the Friendship Bridge across the Mekong between Nong Khai and the Lao capital Vientiane. It's also possible to cross the Mekong at Chiang Khong / Huay Xai, Nakhon Phanom / Tha Khaek, Mukdahan / Savannakhet, and elsewhere.

• Vientiane / Udon Thani - A bus service runs from the Morning Market bus station in Vientiane to the bus station in Udon Thani. The cost is 80 baht or 22,000 kip and the journey takes two hours. The Udon Thani airport is 30 minutes by tuk-tuk from the bus station and is served by Thai Airways, Nok Air, and Air Asia.

Malaysia and Singapore - driving up is entirely possible, although not with a rented vehicle. Main crossings (with the name of the town on Malaysian side in brackets) between Thailand and Malaysia are Padang Besar (Padang Besar) and Sadao (Bukit Kayu Hitam) in Songkhla Province, Betong (Pengkalan Hulu) in Yala Province, and Sungai Kolok (Rantau Panjang) in Narathiwat Province. There are regular buses from Singapore to the southern hub of Hat Yai. Thai immigration at the Malaysia border has long been known to demand a bribe of 20 baht/RM2 per person to stamp you in or out, though there has been a crackdown on this. Instead, there is now an official fee of 25 baht if you are crossing the border between 0500-0830, 1200-1300 and 1630-2100 on weekdays, and all day on weekends and public holidays.
Myanmar - The border crossings with Myanmar are located at Mae Sai/Tachileik, Mae Sot/Myawaddy, the Three Pagodas Pass (Sangkhlaburi/Payathonzu) and Ranong/Kawthoung. As of 2013, the Burmese government has lifted all restrictions on foreigners entering and leaving Myanmar via the Thai border, so it is now possible to travel between Yangon and Bangkok overland. Just make sure that both your Thai (if required) and Burmese visas are in order, as no visa-on-arrival is available at the border.
As traffic moves on the left in Thailand, but moves on the right in all the neighbouring countries except Malaysia, you will generally need to change sides of the road when crossing an international border into Thailand.

By train

Thailand's sole international train service now only goes as far as the border at Padang Besar (it used to go to Butterworth but since late 2016 when KTMB (Malaysian Railways) completed its electrification and dual-track project in the northern states, the train now stops at the border) where you get off the Thai train and clear Thai and Malaysian immigration within the station. Once you have been stamped into Malaysia, you can choose to continue to Butterworth (for Penang) via commuter train, or embark on an ETS service to Kuala Lumpur. Tickets are cheap even in first class sleepers, but it can be a slow ride. What is a 2-hour flight to Singapore will take you close to 48 hours by rail, as you have to change trains twice. The luxury option is to take the Eastern & Oriental Express, a refurbished super-luxury train that runs from Singapore to Bangkok once per week, with gourmet dining, personal butler service, and every other colonial perk you can think of. However, at around USD1,000 one-way just from Bangkok to Butterworth, it is approximately 30 times more expensive than an ordinary first-class sleeper!
While you can't get to Laos or Cambodia by train, you can get very close, with rail terminals just across the border at Nong Khai (across the river from Vientiane) and Aranyaprathet (for Poipet, on the road to Siem Reap). A link across the Mekong to Laos opened in March 2009, but service to Cambodia remains on the drawing board.
There are no rail services to Myanmar, but the Thai part of the infamous Burma Death Railway is still operating near Kanchanaburi.

By ferry

It is possible now to travel by ferries in high season (Nov-May) from Phuket and island hop your way down the coast all the way to Indonesia.
This can now be done without ever touching the mainland,
Phuket (Thailand) to Penang (Malaysia), islands en route:

• Ko Phi Phi
• Ko Lanta
• Ko Ngai
• Ko Mook
• Ko Bulon
• Ko Lipe— Ko Lipe being the hub on the border between Thailand and Malaysia having a Thai immigration office.
• Langkawi- Malaysian immigration here.
• Penang

The Thai portion can be done in a day.
Ferries cross from Satun in southern Thailand to the Malaysian island of Langkawi, while over in Narathiwat Province, a vehicular ferry shuttles between Tak Bai and Pengkalan Kubur, near Kota Bharu in Malaysia's Kelantan state.
There are also occasional cruises from Malaysia and Singapore to Phuket and Bangkok, the main operator being Star Cruises, but no scheduled services.

While Thailand is justifiably famous for its hospitality industry, the Bangkok area is infamous for its road congestion during daytime hours, though at night, traffic levels abate considerably. Smaller cities like Chiang Mai and Buriram or even Phuket are also quite busy at peak hours, but nothing like Bangkok. Domestic flights can get delayed sometimes but price and time wise, a very good option, while driving yourself on highways can be very expensive (car rental and insurance from 1500 baht/day, plus fuel costs and tolls) and complicated due to signage and constant road works all over the country, besides Thailand having one of the highest rates of road fatalities in the world. Never the less, railways and the government bus companies provide very safe and comfortable links between many cities and towns, the only draw backs are the long travel times and lack of sufficient nice facilities and generous stoppage times along the way for restaurants or to go to toilets, in-bus facilities although relatively comfortable, allow only the bare basics in terms of personal relief. In this respect, it may be a good idea to travel distances in excess of 350 km by air, as the bus trip will take about 7 hr compared to 1 hr and ticket prices cost around double (about 450 baht compared to 900 baht). Trains 2nd class sleeper cabins cost about same or more than flights but are even slower than buses. A trip from Bangkok to Chiang Mai by train can take more than a day and cost more than the 1.5-hr flight (about 1200 baht compared with 1000 baht to fly). When in smaller cities or towns, you can hire a step-in 125/150cc bike at a reasonable price (about 1000 baht/week with helmets included, and you need proper bike driving permit) to get around and explore nearby areas. Normally if you stay in reputable places, be it low cost or expensive, the people running the establishment can arrange this on your behalf since they have valuable local knowledge and contacts, never the less, always do a web search to get an idea of what to expect.

By plane

Thailand is a large country, and if sitting in a bus for 11 hours is not your idea of a fun time, you may well want to consider domestic flights. Never terribly expensive to begin with (at least by Western standards), the deregulation of the industry has brought in a crop of new operators: with a little research, it's possible to fly pretty much anywhere in the country for less than 2,000 baht. On highly competitive routes like Bangkok to Phuket it is possible to fly for less than a bus ticket if you book in advance. Various taxes and (often hefty) surcharges are invariably added to advertised prices. Don't forget to bring the credit card you used to book the ticket.
The airlines have moved away from routing all flights via Bangkok and offer non-stop connections between popular destinations like Chiang Mai and Phuket, Chiang Mai and Hat Yai, Phuket and Ko Samui and Phuket and Siem Reap. The budget airlines are also selling 'flights' that are actually packages combining flights with ferry and bus transfers to extend their reach to destinations without usable airports. Few airlines limit themselves to domestic operations; you are likely to find that some budget airline offers better connections to Myanmar or China. The numerous airlines and changing routes make flight price comparison websites useful as long as you buy tickets directly from the airline; you are not going to get Thai budget airline tickets cheaper through a third party.

Thai airlines

Pan-ASEAN low-cost carrier AirAsia has great coverage of international and domestic routes in Thailand and offers steeply discounted tickets if booked well in advance; however, prices rise steadily as planes fill up. It's often the cheapest option, sometimes even cheaper than bus or train, if booked at least a week or two in advance. They fly their A320s from Bangkok to a number of places domestically, and to Cambodia, China, Macau, Hong Kong, Taiwan, Malaysia, Myanmar, Singapore, Vietnam and Indonesia. Their website displays "all-inclusive" prices during booking (which, however, still do not include optional surcharges such as baggage fees). On-line booking is straightforward and can be done even using the mobile phone, but must be done at least 24 hours in advance; ticket sales at the check-in desk close one hour before the departure time.
Bangkok Airways promotes itself as "Asia's Boutique Airline", and has a monopoly on flights to its own airports at Ko Samui (now shared with Thai Airways), Sukhothai, and Trat. Quite an expensive and "posh" option; however, their Discovery Airpass with fixed per segment rates can be good value, especially if used to fly to Siem Reap, (Cambodia) or Luang Prabang, (Laos). The Discovery Airpass can only be purchased abroad.
Kan Airlines uses Chiang Mai as its hub and specializes in routes poorly served by its bigger competitors. For example, it is the only airline flying to Hua Hin.
Nok Air took to the skies in 2004 sporting lurid paint schemes with a bird's beak painted on the nose. Owned mostly by Thai Airways, they compete with Air Asia on price and, with a fairly comprehensive domestic network, are a pretty good choice overall. They ran into some serious turbulence in 2008, cutting their flights by two-thirds, but now seem to have recovered.
Orient Thai, previously One-Two-Go, is easily the dodgiest of Thailand's main carriers, flying a ragtag bunch of ancient planes with a poor safety record, including a crash in Phuket in 2007 that killed 90 people. The fleet has been grounded on and off, but as of late-2010 they're flying again. Unlike most LCCs, their ticket prices don't change much, meaning they're often the cheapest option for last-minute flights. If you're taller than about 1.80 m, get an exit row seat unless you want to ride the whole flight with your knees resting against the seat in front.
Thai Airways International is the most reliable, frequent, and comfortable Thai airline, but usually more expensive than the alternatives (look for their promotions). Travel agents often sell only Thai Airways (and Bangkok Airways) tickets; you can also book on-line. Thai Airways is a member of Star Alliance; all domestic flights, except some promotional fares, give at least 500 Star Alliance miles, which may (partially) compensate the price difference.
Thai Lion Air is a budget airline started in 2013 as an offshoot of the Indonesian Lion Air. It still runs aggressive price promotions on most popular routes but you may have to fly very late or very early with inconvenient airport transfers.
Thai VietJet Air operates flights on behalf of the Vietnamese VietJet Air using Suvarnabhumi as its hub.

By train

State Railway of Thailand (SRT) has a 4,000-km network covering most of the country, from Chiang Mai in the north all the way to (and beyond) the Malaysia border in the south. Compared to buses, most trains are relatively slow and prone to delays, but safer. You can pick up fruits, snacks and cooked food from vendors at most stations.
Point-to-point fares depend on the type (speed) of the train and the class of the carriage. There are three classes of service:

• First class (chan neung) 2-berth sleeping compartments with individually regulated air conditioning are available on some trains, but prices are sometimes matched by budget airfares.
• Second class (chan song) is a good compromise, costing about the same as 1st class buses and with a comparable level of comfort. Some 2nd class trains are air-con, others aren't; air-con costs a little more. Second class sleeper berths are comfortable and good value, with the narrower upper bunks costing a little less than the wider lower bunks. Food and WCs are basic. 2nd class Express Railcar trains have reclining seats and refreshments are included in the fare; unlike all other Thai passenger trains, they can match buses for speed, but cannot carry bicycles.
• Third class (chan saam) is the cheapest way to travel in Thailand, with virtually nominal fares, and can be great fun. Sometimes packed with tuk-tuk drivers heading home with a sack of rice and a bottle of cheap whisky for company, as a farang (foreigner) you're guaranteed to be the centre of attention - quite enjoyable in small doses, but 10 hours of this might be a bit much. Some 3rd class trains have wooden seats, others are upholstered; some services can be pre-booked, others cannot; refreshments are available from hawkers who roam the aisles. No air-conditioning, but since there are fans in the ceiling and the cars are lined with huge, wide-open windows, there's plenty of wind. It's only really hot under the midday beating sun and sometimes when the train is stopped.

Tickets may be purchased on-line starting 1 February 2017 from Thairailwayticket.com. Tickets may be purchased from 60 days in advance to two hours before departure.
You can ship your motorbike on the same train on which you travel. All trains do not have baggage cars, so check with the ticket office. Shipping costs for motorbikes are roughly equivalent to the price of a first-class ticket on the same train.
Full information regarding routes, timetables and up-to-date ticket costs along with interesting videos can be found at seat61.com.

By road

Thailand's roads are head and shoulders above its neighbors Myanmar, Laos or Cambodia and in the last few years, being the subject of major improvements but driving habits are still quite dangerous. Drunk driving, speeding and reckless passing are common and bus and taxi drivers (especially for private companies) work inhuman shifts and often take drugs to keep themselves awake, with predictable and tragic results. Lately, road blocks and strict policing are being implemented quite often in an attempt to address the situation but it may still take same time for the results to start bearing fruit. There are an estimated 24,000 fatalities on Thai roads annually. It's common for motorbikes — even police! — to drive close to the curb on the wrong side of the road. Death tolls sky-rocket around major holidays, especially Songkran, when bystanders often throw water on passing cars and bikes. Many drivers forget to switch on headlights at night, multiplying risks, and it is wise to avoid or minimize overnight travel by road.
Unlike in its neighbours (except Malaysia), traffic moves on the left side of the road in Thailand and Thai cars are generally right-hand drive. Most official road directional signs are written in both Thai and English.
Renting a car to explore on your own is a cost-effective way of getting off the beaten track if you are with a 4-person group, and will avoid the constant hassle of haggling with local taxi/tuk-tuk drivers. Most major roads are marked in both Thai and English and traffic culture is not as bad as some might lead you to believe. Keep a sharp lookout in both mirrors from passing traffic including 18-wheelers and scooters. If you travel with one companion and have a motorbike license, it's worth it exploring the possibilities of using small automatic gearbox 125/150cc step-on bikes to do shorter local excursions and use other mass means of transport for longer travel distances between cities and towns. It's quite safe to use these bikes and it allows one to appreciate the landscapes, if you stick to moderate speeds and keep to the left hand side of the road, like the local bikers do.
Traffic on major highways moves at 100-120 km/h, while smaller highways are generally 80 km/h. Gas stations are common and most Thai are more than willing to give directions in spite of any language barriers.
Drive very defensively at first and watch what the locals do. Of course, it helps if you are accustomed to driving on the left side of the road, which in itself could be enough to distract some Western drivers.
Driving under the influence of alcohol is illegal and dangerous, and driving at night also increased the risk of accidents — even if you're sober, many others aren't.
If you're traveling by public conveyance-bus, train, airplane-you may be shocked at the difference in cost between long distance and local travel. A 119 km journey between Khon Kaen and Udon Thani in a minivan costs 84 baht, or 0.71 baht per kilometre. Traveling the three kilometres from the bus station to a hotel will cost 60-100 baht, or 20-33 baht per kilometre (Nov 2015).

Rental cars

Renting a car usually costs between 1,200-1,500 baht if you want to go for an economical one like a Toyota Vios. Most international companies can be found in Thailand. Also check guides to particular cities for reputable local car rental companies, which are often a little cheaper. You can choose among international companies such as Budget, Avis or you can choose to book with local company like www.thailandcarsrentals.com. Check the documentation and make sure that everything is done according to rules. Perform required checks and notify the car company about any damage before using the vehicle.

Bus

Buses travel throughout the country and the government's bus company BKS (บขส Baw Kaw Saw), known in English simply as the Transport Company, has a terminal in every province of any size.
Generally speaking, BKS buses are a good option for both price and comfort. There are also private buses sanctioned by BKS, which operate on the same routes from the same terminals with the same fares, and these are also fine. The ones to watch out for are the illegal bus companies, which operate from tourist areas (especially Khao San Road) and subsidize slightly cheaper tickets with worse amenities, schedules and safety. In particular, beware of non-government "VIP" buses, which often turn out to be cramped minivans - and you'll only find this out after paying in advance.
The basic BKS bus types are:

• Local - relatively slow, can be cramped when full (nevertheless there's always room for one more), and stop at every village and cowshed along the way. Many are of larger songthaew flavour. Not suitable for long-distance travel, but may be the only cheap way to get around locally.
• Express (rot duan) - skip some stops, but no other frills. Identifiable by their orange colour. Size varies, with the largest having around 65 seats (five seats per row) as well as an open space across the width of the bus by the back door for you to sling your backpack, bicycle, sack of rice, live chickens, etc.
• Second class (chan song) - skip more stops, but often take a less direct route than 1st class / VIP / S-VIP. Blue and white with an orange stripe, usually 45-48 seats per bus, air conditioned (some provide blankets, some do not). Most have no on-board toilet, although the frequent stops mean this isn't a problem. Not much (10-20%) cheaper than the First class, and significantly slower, worth using if there's no better choice available to your destination.
• First class (chan neung) - generally take the most direct routes and make very few stops. Blue and white in colour, air conditioned, blanket usually provided, fewer (larger, longer pitch) seats (typically 40, but some double-decker types seat 60+), snack and drinking water included. Toilet on board for all but the shortest services. On overnight trips, a (Thai) meal at a long (25-30 minutes) stop in the middle of the night is normally included, a small separate ticket (written entirely in Thai) is often given at the start of the journey for that purpose; if not, just follow the other passengers. Good enough (and often the best class available) for medium- to long-distance trips.
• "VIP" (also referred to as VIP32) - as per 1st class, but with only 32-34 seats, which have more leg room and recline further. Basic meal included and freshly laundered shrink-wrapped blanket provided. Also blue and white (or sometimes blue and silver) but usually signed "VIP". Somewhat (25-30%, which amounts to 100-180 baht for a typical overnight route) more expensive than the first class. Available only on more busy routes, like Bangkok to Chiang Mai or Phuket.
• "S-VIP" (also known as VIP24, or just called VIP by some bus companies who do not use the 32-seater VIP - note the price to avoid confusion, as it will be between 50% and twice more than the First class) - Super-VIP is very similar to VIP, except there are only 24 seats, which are wider - the aisle is offset, each row having a pair of seats on the right and only a single seat on the left. Nowadays, some companies (Green Bus for example) also install personal TV systems similar to those in the airplane, but the choice of English-language movies may be very limited. Primarily used on overnight services.

Some buses may have TVs and sound systems blaring, so earplugs are well worth having, just in case. On long-haul buses, if your ticket allocates you a front seat, you may have to switch seats if a monk boards.
If you are travelling a long distance on a daytime bus, take a minute to figure out the sunny side and the shady side of the bus. For example, going from Chiang Mai to Bangkok on a 09:00 bus (south), seats on the right side will be bathed in sunlight all day (curtains are provided), so the left side is preferred by most.
Like travelling by train, pre-booking and e-ticketing is also available in some bus lines routing from Bangkok to reachable provinces and vice-versa. e-Tickets can be booked and purchased through travel agencies, bus-line websites and online ticketing systems such as, 12go.asia.
Other reputable tour bus companies:

• Green Bus Corporation (Chiang Mai-based).
• Nakhonchaiair Co., Ltd.
• Phetprasert
• Sombat Tour Co., Ltd.

Minivan

Minivan services are ubiquitous, although under the radar as minivans typically are anonymous grey Toyota vans with no company markings. They serve shorter routes, such as Krabi to Phuket, about 180 km or Bangkok to Hua Hin, about 200 km. The purported advantage of taking a minibus is speed, as they move quickly once they get going. Disadvantages are that they are expensive compared with standard bus travel, they can be uncomfortable as they are usually crammed full, and they offer little room for luggage. Take minivans from bus stations. Do not take minivans that offer to pick you up at your hotel. They will pick you up, but then you will spend the next hour driving to other hotels to pick up more passengers. You will then be driven to an aggregator where all the collected passengers will disembark to wait for the minivan to their respective destinations. Then you will likely be driven to a bus station to change to a third and final minivan. Better just to sleep in, then go to bus station to book your (cheaper) minivan ticket, thus saving 2 hours of pointless discomfort.

Songthaew

A songthaew (สองแถว) is a truck-based vehicle with a pair of bench seats in the back, one on either side — hence the name, which means "two rows" in Thai. In English tourist literature, they're occasionally called "minibuses". By far the most common type is based on a pick-up truck and has a roof and open sides. Larger types start life as small lorries, and may have windows, and an additional central bench; smaller types are converted micro-vans, with a front bench facing backwards and a rear bench facing forwards.
Songthaews are operated extensively as local buses (generally the most economical way to travel shorter distances) and also as taxis; sometimes the same vehicle will be used for both. Be careful if asking a songthaew to take you to someplace if there is nobody in the back, the driver might charge you the taxi price. In this case, check the price of the ride before embarking.

Tuk-tuk

The name tuk-tuk is used to describe a wide variety of small/lightweight vehicles. The vast majority have three wheels; some are entirely purpose-built (e.g., the ubiquitous Bangkok tuk-tuk), others are partially based on motorcycle components (primarily engines, steering, front suspension, fuel tank, drivers seat). A relatively recent development is the four wheeled tuk-tuk (basically a microvan-songthaew) as found in Phuket.
Tuk-tuks are small, noisy, and perhaps dangerous; but possibly the worst thing about them is that, as a passenger, you cannot see a damned thing due to the low roof line. To catch even a glimpse of the passing scene you will find yourself practically supine.
You will often find yourself at the mercy of the tuk-tuk driver when it comes to pricing as you will likely have no clue as to the acceptable raa kaa Thai ("Thai price") and will probably have to cough up a raa kaa farang ("farang price"). Even if you do know the Thai price, the driver may just not bother to accept it on principle. If you pay with a larger denomination bill, it is also probable that the driver will whine that he has no change. If this happens, try to break the note in a nearby shop.

Taxi

Metered taxis are ubiquitous in Bangkok and starting to become more popular in Chiang Mai, but rare elsewhere in the country. When available, they are an excellent means of transport - insist on the meter. Beware of taxis which idle around touristy areas and wait for people. They are looking for a tourist who will take their taxi without using a meter. Instead, try to flag down a taxi moving down the street, or use a taxi stand where the locals are queueing. Always insist on the meter, and use another taxi if the driver refuses to turn it on. Most drivers do not speak English, so be sure to have your hotel staff write the names of your destinations in Thai to show the driver.

Motorbike

As is the case throughout virtually all of Southeast Asia, motorcycles (motosai) are the most common form of transport overall; the most popular type are the 100 cc-125 cc step-through models. These are very widely used as taxis, with fares starting from as low as 10 baht. Negotiate the fare with the driver before using his service otherwise you may be charged more than you expect.
Motorcycles can be rented without difficulty in many locations. Rates start at around 125 baht/day for recent 100-125 cc semi-automatic (foot-operated gear change, automatic clutch) step-through models, 150 baht/day for fully automatic scooters; larger capacity models can also easily be found, although the rates reflect the risks: up to around 2,500 baht/day for the very latest model high capacity sport bikes, such as the Honda CBR1000RR. In all cases, lower prices will apply if paying upfront for more than a week or so; in some cases, long-distance travel may be prohibited. Motorcycle rentals do not include insurance, and both motorcycling accidents and motorbike thefts are common.
Many places will rent to you without requiring a license, but legally speaking you must have a valid Thai license or International Driver's Permit. Often a deposit will be required; sometimes a passport photocopy, or even the passport itself will be requested (Don't do this. Bargain to leave some baht instead). An International Driver's Permit may be used for a maximum of 90 days; having one might lead to requesting your passport to see the entrance stamp, another reason not to leave your passport at the renting company. Helmets are normally included, but are usually ultra-basic models with very flimsy chin-strap fasteners. If you're intending to travel by motorcycle and have a good quality helmet at home, then bring it with you. If supplied a helmet with a chin-cup (many cheap rental helmets are), slide the cup up the strap out of the way and securely fasten the bare strap directly under the jaw, as this is much safer.
Insurance is usually not included (or even available), so try to ensure in advance that the insurance you leave home with is going to cover you; alternatively, arrange cover with an insurance broker locally in Thailand. If you rent a vehicle without insurance and it's damaged or stolen (take photos of the bike at the time of rental!), the bottom line is that you will be required to pay in full the cost of repairing or replacing it. Furthermore, some travel insurance policies will only provide medical cover in the event of an accident if you hold a motorcycle license in your home country.
According to the WHO Global Status Report on Road Safety 2013, Thailand in 2010 had 38.1 road fatalities per 100,000 inhabitants. This is the second highest in the world. 74% of those fatalities involved "motorized two or three wheelers". Motorcyclists (including passengers) are required to wear crash helmets and to keep their headlights switched on at all times. Enforcement varies widely, but in tourist areas spot checks for helmets and/or licenses are commonplace. While the fines are light (typically 400 baht) the inconvenience can be considerable as offender's vehicle and/or driver's license is impounded until the fine is paid, and the queue at the police station can be lengthy.
Some border crossings allow motorcycles through. At those which do, documentation including proof of ownership must be produced (with the possible exception of day visits to Payathonzu, Myanmar via Three Pagodas Pass).

Rental car

Driving your own car in Thailand is not for the faint-hearted, and many rental companies can supply drivers at a very reasonable price. Prices without insurance for a self-driven car start from around 800 baht/day for small cars, and from as little as 600 baht/day for open-topped Jeeps. Cars with insurance start at just under 1,000 baht/day, and come down to around 5,600 baht/week or 18,000 baht/month.
Driving is (usually, but not always!) on the left hand side of the road. Fuel at large petrol stations is 37-45 baht/litre. Small kerbside vendors who pump by hand from drums and/or pour from bottles charge a few baht more.
Cars can be rented without difficulty in many locations. It's worth paying a little more than the absolute minimum to use one of the international franchises (e.g. Avis, Budget, and Hertz) to minimize the risk of hassles, and to ensure that any included insurance is actually worth something.
More reputable agencies require that valid licences be produced. Foreigners who do not have a Thai driving licence must carry a valid International Driving Permit. Even if you manage to rent a car without an IDP, not having one will invalidate the insurance and count against you in the event of an accident.
A common rental scam involves the owner taking a deposit, and then later refusing to refund it in full on the basis that the customer is responsible for previous damage; the Tourist Police (dial 1155) may be able to help. Another common scam involves the owner having someone follow the rented vehicle and later "steal" it, using a set of spare keys. Always report thefts: a "stolen" vehicle may mysteriously turn up as soon as the police become involved.

By boat

One of the Thais' many names for themselves is jao naam, the Water Lords, and from the river expresses of Bangkok to the fishing trawlers of Phuket, boats remain an indispensable way of getting around many parts of the country.
Perhaps the most identifiably Thai boat is the longtail boat (reua hang yao), a long, narrow wooden boat with the propeller at the end of a long "tail" stretching from the boat. This makes them supremely manoeuvrable even in shallow waters, but they're a little underpowered for longer trips and you'll get wet if it's even a little choppy. Longtails usually act as taxis that can be chartered, although prices vary widely. Figure on 300-400 baht for a few hours' rental, or up to 1,500 baht for a full day. In some locations like Krabi, longtails run along set routes and charge fixed prices per passenger.
Modern, air-conditioned speedboat services, sometimes ferries (departure every 30 min) also run from the Surat Thani to popular islands like Ko Samui and Ko Pha Ngan. Truly long-distance services (e.g., Bangkok to any other major city) have, however, effectively ceased to exist as buses, planes, and even trains are faster. Safety measures are rudimentary and ferries and speedboats do sink occasionally, so avoid overloaded ships in poor weather, and scope out the nearest life jackets when on board. As of November 2018, ferry service is available between Hua Hin and Pattaya, a 2.5-hour journey for 1,250 Thai Baht on a catamaran with a maximum capacity of 340.

Historical and cultural attractions

Bangkok is at the start of many visitors' itineraries, and while a modern city, it has a rich cultural heritage. Most visitors at least take in the Grand Palace, a collection of highly decorated buildings and monuments. It is home to Wat Phra Kaew, the most sacred Buddhist temple in Thailand that houses the Emerald Buddha. Other cultural attractions include Wat Pho, Wat Arun and Jim Thompson's House, but these are just a fraction of possible sights you could visit.
The former capitals of Siam, Ayutthaya and Sukhothai, make excellent stops for those interested in Thai history. The latter could be combined with a visit to Si Satchanalai and Kamphaeng Phet, all of which are UNESCO World Heritage Sites. Khmer architecture is mostly found in Isaan, with the historical remains of Phimai and Phanom Rung being the most significant.
In the northern provinces live unique hill-tribe peoples, often visited as part of a trek. The six major hill tribes in Thailand are the Akha, Lahu, Karen, Hmong, Mien and Lisu, each with a distinct language and culture. Chiang Mai makes a good base for arranging these treks, and has some cultural sights of its own, such as Wat Doi Suthep.
Kanchanaburi has a lot of sights related to World War II. The Bridge over the River Kwai, popularised by the film of the same name, is the most famous one, but the museums in its vicinity are a lot more moving. "The Dead Railway" (tang rod fai sai morana) is the railway constructed by captive allied soldiers during World War II. This railway has a nice view all along its route.

Beaches and islands

Thailand's beaches and islands attract millions of visitors each year from all over the globe. Hua Hin is Thailand's oldest beach resort, made famous by King Rama VII in the 1920s as an ideal getaway from Bangkok. Things have considerably changed since then. Pattaya, Phuket, and Ko Samui only came to prominence in the 1970s, and these are now by far the most developed beach resorts.
Krabi Province has some beautiful spots, including Ao Nang, Rai Leh and the long golden beaches of Ko Lanta. Ko Phi Phi, renowned as a true island paradise, has been undergoing massive development since the release of the film The Beach in 2000. Ko Pha Ngan offers the best of both worlds, with both well-developed beaches and empty ones a short ride away. It is also where the infamous "Full Moon Party" takes place.
Ko Chang is a bit like Ko Samui used to be. It has a backpacker vibe, but is fairly laid-back and there is accommodation in all price ranges. If you're looking for unspoiled beaches, Ko Kut is very thinly populated, but also difficult to explore. Ko Samet is the closest island beach to Bangkok, but its northern beaches are quite developed and hotels are pretty much sold out on weekends and public holidays.

Natural scenery

While not as beautiful as Malaysia or Indonesia, Thailand does have its fair share of tropical forest. Khao Yai National Park, the first national park of Thailand, is the closest to Bangkok. Wild tigers and elephants are increasingly rare, but you can't miss the macaques, gibbons, deer, and species of birds. The stretch of jungle at Khao Sok National Park is probably even more impressive, and you can spend the night in the middle of the jungle.
Waterfalls can be found all over Thailand. The Heo Suwat Waterfall in Khao Yai National Park and the 7-tiered Erawan Falls in Kanchanaburi are among the most visited, but the Thee Lor Sue Waterfall in Umphang and the 11-tiered Pa La-u Falls in Kaeng Krachan National Park are equally exciting. Finally, the gravity-defying limestone formations of the Phang Nga Bay shouldn't be missed by anyone who stays in the region.

Itineraries

• Chiang Mai to Chiang Rai in 3 days — three-day tour through parts of Northern Thailand that are largely undiscovered by tourists
• Mae Hong Son Loop — A journey through mountainous Mae Hong Son Province
• Northern Thailand Loop Tour — Explore the heart of rural northern Thailand
• One day in Bangkok — if you have just one day to spare and want to catch a feel for the city
• Rattanakosin Tour — a quick tour along Bangkok's famed historic district
• Samoeng Loop — a 100 km loop popular with bicyclists and motorcyclists through the mountains starting and ending in Chiang Mai
• Yaowarat and Phahurat Tour — a full-day walking tour through this multicultural district

Golf

Golf arrived in Thailand during the reign of King Rama V one hundred years ago. It was first played by nobles and other high society elites, but since then, things have certainly changed. Over the past decade or so, the popularity of golf in Thailand has escalated; it is now popular with Thais and visiting tourists and expatriates.
Catering to the needs of an average of 400,000 foreign golfers coming to Thailand annually, golf in Thailand has turned into a huge local industry with new courses constantly being churned out. Golf alone annually brings 8 billion baht into the local economy. Thailand offers over two hundred courses with high standards. Internationally renowned courses can be found in tourist-spots like Bangkok, Pattaya, and Phuket.
There is an abundance of reasons why golf in Thailand has become so popular. First, if you compare the cost to most golfing countries in the world, membership and course fees are exceptionally low. The general low cost of travel in Thailand itself makes the country ideal for cost-efficiency minded tourists. Also, many of the golf courses in Thailand have been designed by top names in the game such as Jack Nicklaus, Nick Faldo and Greg Norman.

• Thailand Golf Courses Association

  phone: +66 2 6625234
  address: 96 Moo 3, Viphavadi-Rangsit Rd, Bangkok

Outdoors

Thailand's a big enough country, the size of Spain, that you can find a place to practice almost any outdoor sport. Ko Tao is becoming one of Asia's great scuba diving centres, with Ang Thong National Marine Park near Ko Samui and the Similan Islands off Khao Lak also drawing crowds. One of the newest hot spots for diving is Ko Lipe, a small island that is relatively unspoiled with great reefs and stunning beaches. Snorkelling can be done at pretty much every beach, but the coral reefs of the Similan Islands stand out as particularly worthwhile.
While Thailand does not match surf paradises like Bali, surfing does have its place. The waves are generally small, good for longboarding and those wanting to learn to surf. Khao Lak and Phuket's west coast beaches are among the better ones, but the best waves are to be found at the relatively unknown Ko Kradan on the west coast of Trang Province. Other surf-spots include Rayong and Ko Samui, but the waves of the Gulf Coast are less reliable.
Phang Nga Bay's gravity-defying limestone formations are usually seen with boat tours, but if you go sea-canoeing, you can get into areas unexplored by the tourist masses. The limestone cliffs of Rai Leh are among the best in the world for rock-climbing.

Pampering

Traditional Thai massage has a history of more than 2,500 years. Practitioners of Thai massage operate on the belief that many invisible lines of energy run through the body. The masseur uses his or her hands, elbows, feet, heels and knees to exert pressure on these lines, releasing blockages that may exist, allowing a free flow of energy through the body. Many Thais believe that these massages are beneficial both for treating diseases and aiding general well-being. You're supposed to feel both relaxed and energised after a session.
Although spas weren't introduced here until the early 1990s, Thailand has quickly become one of the highest ranking spa destinations in the world. Besides traditional Thai massage, there is a phenomenal variety of international treatments, including aromatherapy, Swedish massage and many others. There is usually an option for every budget, varying from extravagant wellness centres in luxury hotels to the ubiquitous little massage shops found on many street corners.

Money

The currency of Thailand is the baht, denoted by the symbol "฿" (ISO code: THB), written in Thai as บาท or บ. Wikivoyage uses "baht" in its articles. It is divided into 100 satang (สตางค์). There are six coins and six notes:

• 25 and 50 satang (cent, copper colour) coins - nearly worthless and only readily accepted (and handed out) by buses, supermarkets and 7-Elevens
• 1, 2 (in 2 versions: silver and gold), 5 (silver colour) and 10 baht (silver/gold) coins
• 20 (green), 50 (blue), 100 (red), 500 (purple) and 1,000 (grey-brown) baht notes

The most useful bills tend to be 20s and 100s, as many small shops and stalls don't carry much change. Taxi drivers also like to pull the "no change" trick; if caught, hop into the nearest convenience store and make a small purchase. Beware of 1,000 baht notes, as counterfeits are not uncommon: feel the embossing, look for the watermark and tilt to see colour-changing ink to make sure the note is real.

ATMs

They are everywhere, and international withdrawals are not a problem, besides the fee. When using a debit card, an ATM will typically provide a much better exchange rate than a money exchange counter, and this is especially the case if you have a card that does not charge a transaction fee for overseas withdrawals (becoming common in countries such as Australia). ATMs are available at Bangkok's Suvarnabhumi airport (BKK) after collecting your bag and clearing customs, and while it is advisable to arrive with a small amount of baht if possible, you may obtain cash from an ATM after landing as well. There's a 220 baht surcharge (up from 150 when it was introduced in 2009-10, then 200 baht) for using foreign cards in most ATMs, you'll be notified about this fee in any ATM which charges it, so you always have an option to cancel. AEON , which used not to charge any fee until 2013, still charges 150 baht though - but it's ATMs are few and far between even in Bangkok, and none at the islands besides Ko Samui and Phuket. Most ATMs (including AEON) have a limit of 20 notes, that is 20,000 baht; Bangkok Bank typically dispenses 25 notes at once, and a few other banks including Citibank (but only in Bangkok), Krungsri, TMB and CIMB may dispense 30 notes - which makes them even slightly better than AEON, but only in case you do need 30,000 baht ($900) at once.
More important thing to watch for is that some ATMs (Krungsri, SCB and a few others are known for that) will offer you to exchange your money to Baht for you, charging your card in USD or even your local currency. What you will get if you agree is a very lousy rate (-5% if not more from the mid-market level), so always refuse and choose to be charged in Thai Baht only, not USD or your own currency.
Very remote areas (including smaller islands) do not have banks or ATMs, so cash is essential.

Money exchange

If you wish to avoid high ATM fees by bringing in funds as cash, bring US dollars, they can often be exchanged at competitive rates
One notable money exchanger is SuperRich, with dozens of branches in Bangkok including at Silom, Ratchadamri, Khao San Road and Chatuchak. No fees are charged and the exchange rate, especially for USD, is typically comparable to the Visa/Mastercard's (even before you consider ATM and your local bank fees), with a very small (down to less than 10 satang in the main office) buy/sell spread. They exchange many other currencies, both Western and major regional ones, and the rates are very good too. Their success caused a host of competitors to emerge, some of these closely imitating SuperRich, including in the major cities outside of Bangkok. Their rates are generally good too.
The banks also do offer reasonable rates, though normally not as good as the exchangers mentioned before. In Suvarnabhumi airport, however, all the banks have notoriously bad rates, making you to lose up to 1,5 baht (4-5%) per USD if you exchange there. But there are several money exchangers (including SuperRich) at the basement floor on the way to the Airport Rail Link station, just to the left from the machines selling ARL tokens. Their rates are not much different from those in the city offices.
For a comparison of all the bank's exchange rate check out DaytoDayData or Thailand Exchanges, also available as an app. To identify a good money exchanger, take the difference between the sell and buy rate, divide it by two and then again divide it buy the sell rate, e.g. 42-38/2/42 ~ 5%. This is the percentage of fee you basically pay for the exchange. It can be as low as 0.2-0.5% in the exchange services mentioned before, and thus probably better than withdrawing money from the card, depending on the conditions of your home bank.
Many hotels and guesthouses will change money for guests, but hefty commissions and poor rates may apply. US dollars in small bills (US$1, 5, and 20) are invaluable for onward travel to neighbouring countries other than Malaysia, but are only useful in Thailand for exceptional purchases (e.g., paying visa fees for Cambodia).

Cash advance at the bank counter

Another way to avoid the ATM fee (especially handy for those on extended stays) is to withdraw money via the bank counter, the phrase universally understood in Thai banks is "cash advance". Beware though that most of the card issuers (i.e. your home bank) do charge significantly more for this operation than for ATM withdrawal, even including some cards that are free to withdraw in ATMs - research thoroughly in advance and choose the right card, or you may end up paying to your own bank even more than 220 baht you would have paid to the Thai bank in an ATM! Note also that not every bank, and not even every branch of the same bank offers this service to the foreigners - the best bet is a bigger branch of a major bank, and Bangkok Bank seems to be the most reliable in offering this service, including some of their "Exchange" booths. You'll need your passport to withdraw the money over the counter, and, of course, the bank's operating hours apply (many, but by no way all, branches are also closed on weekends and public holidays).

Credit cards

Cards are widely accepted in the tourist industry such as in restaurants, shopping malls and shops catering to tourists. Fraud is regrettably common though, so use them sparingly and tell your bank in advance, so your card doesn't get locked down because you are using it. Some businesses add a surcharge (usually 2-3%) if you're paying by credit card; in this case, it can turn out cheaper to pay them in cash.

Tax refund - VAT

Foreign visitors (with a few exceptions) have the benefit to receive a 7% VAT refund on luxury goods purchased from shops that participate in the 'VAT Refund for Tourists' scheme. When you see a 'VAT Refund for Tourists' sign, you can receive a 7% refund of the VAT levied on goods at the shop. However, certain conditions apply, and you won't be able to claim your refund until you depart Thailand from an international airport.
The goods must be purchased from participating shops that display a "VAT Refund For Tourists" sign. You may not claim VAT refund for services or goods that you use or "consume" while in Thailand; such as hotel or restaurant expenses. On any one day, the goods purchased from any one individual participating shop must be at least 2,000 baht including VAT. When you purchase the goods, ask the sales assistant to complete a VAT refund form, known as the P.P.10, and attach the original tax/sales invoices to that form. Each P.P.10 must show a value of 2,000 baht or more. You will need to show your passport to the sales assistant when you purchase the goods, to allow her to fill in the above mentioned form. When you exit the country, the goods must be inspected prior to check in and your completed P.P. 10's stamped. Since you must give away the original receipts it is a good idea to take photos or make copies in case you need to prove the value of your purchases to customs officers when going home.

Tipping

Tipping is not common in Thailand and the Thais themselves don't do it. Thais do round up (or down) the taxi fare to get it to an amount that is easier to pay for (such as from 59 or 61 to 60 baht). Sometimes they also leave the change in restaurants, but even this is a rare occurrence.
You don't have to feel odd if you don't tip at all, as that's what the locals do, but the presence of many foreign visitors have changed some expectations. Tipping is now common in many high-end hotels and tourist restaurants. Don't go overboard when tipping — never give more than 50 baht. In some tourist places, especially along Khao San Road, there are even restaurants hinting for a tip. This is not common (and even rude) in Thai culture, so you can easily ignore it.
Do not tip when a customer service charge is applied, as this is supposed to be the tip, applied only in luxury restaurants and hotels.

Costs

Thailand is not as cheap as it used to be, with Bangkok being named the second most expensive city in SE Asia behind Singapore. However, budget travellers who are careful with what they spend will still find that 1,000 baht will get a backpacker a dorm bed or cheap room, three square meals a day and leave enough for transport, sightseeing, and even partying. Doubling that budget will let you stay in decent hotels, and if you're willing to fork out 5,000 baht per day or more you can live like a king. Bangkok requires a more generous budget than upcountry destinations, but also offers by far the most competitive prices for shoppers who shop around. The most popular tourism islands such as Phuket and Ko Samui tend to have higher prices in general. It is common for tourists to be charged several times the actual price in tourist areas of other places as well. If you want to have an idea what the real Thai prices are, consider visiting malls like Big C, Tesco, or Carrefour where locals and expats routinely shop. Those are available in major cities (in Bangkok, there are dozens of them) and on larger islands such as Phuket or Ko Samui. Tax hikes have made alcohol clearly more expensive than in some neighbouring countries.

Shopping

Thailand is a shopper's paradise and many visitors to Bangkok in particular end up spending much of their time in the countless markets and malls. Particularly good buys are clothing, both cheap locally produced street wear and fancy Thai silk, and all sorts of handicrafts. Electronics and computer gear are also widely available, but prices are slightly higher than in Singapore, Hong Kong, Philippines, and Kuala Lumpur.
A good strategy for shopping, is to first go around doing window shopping for a couple of days, don't commit yourself to purchase anything until you have seen enough to be able to make sensible judgements. The last thing you want is to impulsively buy something today and two days later see the same or similar item selling at a much reduced price elsewhere. Most shopping centers in Bangkok have sales often, but even better is to go a bit out the big city into a place like Future Park for example. At the Mo Chit minibus rank next to the public park ask for "Future Park" minibus. Go early, the trip costs 35Baht, takes about half an hour and you get a chance to mix with the real Thais going about their daily lives. Once at Future Park shopping complex, its vast multilevel shopping areas go on and on (opens at 10:00, closes at 21:00) and it caters for everyone and everything, cheap and upmarket, from motor vehicles and home appliances, to clothing and furniture, Thai therapy and restaurants. You can spend the day hunting for special deals and shopping with many sales on offer with prices catering for local customers, department stores like Robinson are extensive and a bargain hunters paradise. If you get hungry or thirsty, there's plenty of varied restaurants on offer and also a large supermarket within, with a help yourself fresh salads and other foods bar selling food by weight. The main Zpell entrance facing the elevated freeway is by the minibus rank and once inside there's an information island desk with English speaking staff at hand, while you can always download a translator app to help you just in case. On returning to central Bangkok, go back to the main minibus rank and ask for the "Mo Chit" vehicle, alternatively, return by taxi cab to central Bangkok (100-120 baht), the better option, if you find yourself carrying lots of shopping.
A Thai speciality is the night markets found in almost every town, the largest and best-known of which are in Bangkok and the Night Bazaar in Chiang Mai. Here a variety of vendors from designers to handicraft sellers have stalls selling goods which cannot normally be found in malls and day markets. Most night markets also have large open air food courts attached.
You can also find marvellously tacky modern clothing accessories. Witness pink sandals with clear plastic platform heels filled with fake flowers. Night markets along the main roads and Bangkok's Mahboonkrong (MBK) Mall, near the Siam Skytrain stop, are particularly good sources. Not to be left out is what is often touted as the world's biggest weekend bazaar - The Chatuchak Weekend Market or known to locals simply as "JJ" Market. Chatuchak sells a myriad of products ranging from clothes to antiques, covers over 35 acres (1.1 km²) and is growing by the day!
Haggling is the norm and often market and road-side vendors will try to charge you as much as they think you can afford to pay. It's not uncommon to buy something, walk outside, and find somebody who bought the same item for half or one third what you paid (or even less). Try to figure out the item's rough value first. Adjacent stalls, government-run fixed price shops and even hotel gift shops are a good starting point. You'll find that prices drop drastically when the seller realizes you have some idea of what it costs.

• Thai meditation
• Thai language

Bangkok has many language schools for studying Thai:

• AUA (American University Alumni) Language Center Bangkok AUA uses a non-traditional method where all teaching is done in Thai without books or any use of English. Students learn by looking and listening and eventually after a certain number of hours are expected to begin to speak Thai "naturally".
• Duke Language School Bangkok Duke Language School is conveniently located near BTS Nana station and has a very high success rate.
• Chulalongkorn University Intensive Thai classes Intensive Thai courses with an emphasis on learning to read and write academic Thai at a university level.
• Jentana & Associates Thai Language School
• Piammitr (Plenty of Friends) Language School Near BTS Asok Courses are 60-hours of class time and last one month.
• Unity Thai Language School
• My Thai Language School On Ratchada Rd, you can apply for a student ed Visa
• Walen School

An on-line site for studying Thai:

• Thai Language Reference documents, interactive lessons, dictionary, and forums for learning Thai

The two main opportunities for work for foreigners are teaching English and dive instructor, but both are very competitive and dive masters in particular are paid a pittance.
To become a dive instructor, the most popular destination is Ko Tao (Turtle Island) a few hours off the coast of Chumphon in the Gulf of Thailand. There are dozens of dive shops that provide training and internships.
Anyone with a four-year degree can gain employment as an English teacher in Thailand, and even those without a degree can usually find work under the table. Normal starting salary is approximately 30,000 baht per month and this goes up and down slightly depending upon location (higher in Bangkok, lower in some up-country towns).
One way to start working as a teacher is to gain a TESOL/TEFL Certificate. One of the largest TESOL schools in the world is head quartered in the small village of Ban Phe, Rayong. Other provinces in Thailand offer TEFL/TESOL Certification Courses. In Northern Thailand, Chiang Mai University has a comprehensive teacher training program located on its main campus.
Finding any other kind of work in Thailand can be difficult, as wages are poor and a large number of occupations are legally off limits to non-Thais. Thai law requires that a foreigner earn quite a high wage to be eligible for a work permit. Companies and schools may assist employees to obtain visas and work permits, but some schools avoid the extra work involved.
Volunteering is a great way to meet locals and experience the culture and traditions of Thailand. There are many worldwide organizations that offer volunteer work on such projects as community development, conservation, wildlife sanctuary maintenance & development, scientific research, & education programs. And they won't ask you for money! Here are three of them:

• Child's Dream Foundation

  phone: +66 53 201811
  address: 238/3 Wualai Rd, Haiya, Muang, Chiang Mai 50100
  Founded by two Swiss financiers with good hearts, Child's Dream places volunteers in schools in Thailand, Laos, and Cambodia in addition to other good works. They are highly regarded for their ethics and efficiency.

• Foundation for Education and Development

  phone: +66 76 486351
  address: Moo 4 Khuk Khak, Takua Pa, Phang Nga 82120
  A joint Burmese-Thai NGO committed to assisting Burmese migrant workers in Phang Nga Province, just north of Ko Phuket in the region better known as Khao Lak. FED runs schools, health clinics, women's empowerment programs, and provides legal assistance to political and economic refugees. The organisation runs on a shoe-string and depends on the commitment of paid staff and volunteers.

• Isara Foundation

  phone: +66 42 460827
  address: 897/1 Mee Chai Rd, Amphur Muang, Nong Khai 43000
  Provides help directly to those who are in need. Isara projects focus on the improvement of education (free Learning Centre, government school volunteer teachers, and scholarships), health and safety (helmet campaign), and the environment (Recycling Centre and trash clean-up campaigns). Do not charge you for volunteering.

Important: Volunteering is defined as a form of employment by the Thai authorities. Foreigners must obtain a work permit even to volunteer for small projects. This is easier to obtain than a normal work permit, and can be issued even for one or two days. Tourists are advised to take these rules seriously. Thai jails are not comfortable; if you are arrested on a Friday you may not be able to contact anyone before Monday.

The food alone is really reason enough for a trip to Thailand. Curries, fruit shakes, stir fries, fresh fish made a zillion ways - and that's just the beginning. Food in Thailand can be as cheap and easy as 25 baht pad Thai (ผัดไทย, Thai fried noodles) cooked at a street stall or as expensive and complicated as a USD100 ten-course meal by a royal chef served in one of Bangkok's luxury hotels.
Since most backpackers will be sticking closer to the first than the second, one of the great things about Thailand is that food from stalls and tiny sidewalk restaurants is usually quite safe. Unlike some Asian countries, travellers should worry more about overeating or too much curry spice than about unclean kitchens and bad food. In fact, street restaurants, where you can see what you'll get and everything is cooked on the spot can be a safe option.

Etiquette

Thai food is most commonly eaten with fork and spoon. Hold the spoon in your right hand and use it to eat, and reserve the fork for piling food onto your spoon. Chopsticks are only employed for noodle soups and East Asian-style dishes. Eat sticky rice with your right hand.
Thai food is meant for sharing. Everybody gets their own plate of rice and tiny soup bowl, but all the other dishes are laid out in the centre of the table and you're free to eat what you wish. Though some people believe that taking the last piece from a shared plate is considered slightly unlucky, and you may hear people make wishes for others to compensate for their own misfortune. A popular wish is that "may my girlfriend/boyfriend be good-looking!"
Food is also generally brought out a dish at a time as it is prepared. It is not expected of diners to wait until all meals are brought out before they start eating as is polite in Western culture. Instead they should tuck into the nearest dish as it arrives.

Thai cuisine

Thai cuisine is characterized by balance and strong flavours, especially lime juice, lemon grass and fresh coriander, the combination of which gives Thai food its distinctive taste. In addition, Thai food has a deserved reputation for being spicy, with hot little torpedo-shaped chillies called phrik khii nuu (พริกขี้หนู, lit. "mouse shit chillies") making their way into many a dish. Thais are well aware that these can be more than Westerners can handle and will often ask if you like it hot (เผ็ด phet). Answer "yes" at your own risk! Another condiment that features prominently in Thai cuisine is fish sauce (น้ำปลา naam plaa), a pungent and very salty sauce that is used to flavour a wide variety of dishes.
Thai cuisine can be divided into at least four distinct regional styles: Southern Thai cuisine, Central Thai cuisine, Northern Thai cuisine and Isaan cuisine from the northeast of Thailand. Chinese influences also pervade much of Thai cuisine, with many of the most famous street food stalls in Bangkok and other cities throughout the country being owned and run by ethnic Chinese.

Vegetarian food

Vegetarians won't have too many problems surviving in Thailand, with one significant exception: fish sauce (น้ำปลา naam plaa) is to Thai cuisine what soy sauce is to Chinese food, and keeping it out of soups, curries and stir-fries will be a challenge.
That said, Thailand is a Buddhist country and vegetarianism is a fairly well-understood concept, especially among Chinese Thais (many of whom eat only vegetarian food during several festivals). Tofu is a traditional Thai ingredient and they aren't afraid to mix it up in some non-traditional dishes such as omelettes (with or without eggs), submarine sandwiches, and burritos. Since Thai dishes are usually made to order, it's easy to ask for anything on the menu to be made without meat or fish. Bangkok features several fantastic veggie and vegan restaurants, but outside of big cities make sure to check that your idea of "veggie" matches the chef's.
Some key phrases for vegetarians:

• phom kin je (m) / di-chan kin je (f) ผม(ดิฉัน)กินเจ "I eat only vegetarian food"
• karunaa mai sai naam plaa กรุณาไม่ใส่น้ำปลา "Please don't use fish sauce"

Restaurant chains

Thailand has a large number of indigenous restaurant chains offering much the same fare as your average street stall, but with the added advantages of air conditioning, printed menus (often in English), clean storefront. All the chains are heavily concentrated in Bangkok, but larger cities and popular tourist spots may have an outlet or two.

• Coca and MKNear-ubiquitous chains specializing in what the Thais call suki, perhaps better known as "hotpot" or "steamboat". A cauldron boils in the middle of your table, you buy ingredients (10-30 baht a pop) and brew your own soup. The longer you spend, the better it tastes, and the bigger the group you're with, the more fun this is!

• FujiAnd Zen specialize in surprisingly passable Japanese food at very cheap prices (at least compared to Japanese restaurants almost anywhere else). Rice/noodle mains are less than 100 baht, and you can stuff yourself full of sushi for less than 500 baht.

• Kuaytiew Ruea SiamDirt-cheap noodles with prices starting at 25 baht. Portions aren't too generous, but at that price you can get two! No concessions to English speakers in menu or taste, so point and choose from the pictures and watch out for the spicier soups.

• S&POutlets are a bakery, a café and a restaurant all rolled into one, but their menu's a lot larger than you'd expect: it has all the Thai mainstays you can think of and then some, and most all of it is good. Portions are generally rather small, with prices mostly in the 50-100 baht range.

• Yum SaapKnown for their Thai-style salads (yam), but they offer all the usual as well. Quite cheap with mains around 50 baht.

• After YouLocal dessert cafe chain serving Korean-style shaved ice (bingsoo), but with many local Thai flavours to choose from. Very popular among youths in Bangkok.

And yes, you can find the usual McDonalds, KFC, Pizza Hut, Komalas etc. if you insist. If you do end up at McDs, at least try the un-Maclike fried chicken with McSomTam (green papaya salad). For those craving American-style pizza, try the ubiquitous The Pizza Company, which is a less expensive and (arguably) tastier local chain.

Iced drinks

Coconut water (น้ำมะพร้าว naam ma-phrao), iced and drunk directly from a fresh coconut is a cheap and healthy way to cool the body. Available at restaurants and also from fruit juice vendors.
Fruit juices, freezes and milkshakes of all kinds are very popular with Thais and visitors alike. Most cafés and restaurants charge 20-40 baht, but a bottle of freshly squeezed Thai sweet orange juice (น้ำส้ม naam som) - which really is orange in colour! - can be sold on the street for 15-30 baht. Thais often add salt to their fruit juices an acquired taste that you might just learn to like. Thais also like to have basil seeds in their iced fruit juice sold on the road. They look like small jelly balls down in the bottle.

Tea and coffee

One of Thailand's most characteristic drinks is Thai iced tea (ชาเย็น chaa yen, lit. "cold tea"). Instantly identifiable thanks to its lurid orange colour, this is the side effect of adding ground tamarind seed (or, these days, artificial colour) during the curing process. The iced tea is always very strong and very sweet, and usually served with a dash of condensed milk; ask for chaa dam yen to skip the milk. A popular variant among locals that is typically sold at markets in the morning is Thai hot tea (ชาร้อน chaa rorn), often served with Chinese-style youtiao (油條) fritters, known in Thai as pathongko (ปาท่องโก๋).
Naam chaa and chaa jiin are weak and full-strength Chinese tea, often served in restaurants for free. Western-style black tea is chaa ron (ชาร้อน). Coffee (กาแฟ kaafae) is also widely available, and is usually served with condensed milk and lots of sugar. Ask for kaafae thung to get traditional filtered "bag" coffee instead of instant.
Starbucks is present in Thailand, but for the moment local competitors Black Canyon Coffee and S&P still have the edge in market share. These are the places to look for if you want that triple-mocha latte with hazelnut swirl and are willing to pay 75 baht for the privilege.

• Black Canyon CoffeeIs Thailand's home-brewed Starbucks, but while coffee is their mainstay they also offer a limited meal menu. Try the chaa yen (lurid orange Thai iced tea with milk).

Energy drinks

Thailand is the original home of the Red Bull brand energy drink - a licensed and re-branded version of Thailand's original Krathing Daeng (กระทิงแดง, "Red Bull"), complete with the familiar logo of two bulls charging at each other.
The Thai version, however, is syrupy sweet, uncarbonated and comes packaged in medicinal-looking brown glass bottles, as the target customers are not trendy clubbers, but Thailand's working class of construction workers and bus drivers in need of a pick-me-up. And a pick-me-up it most certainly is; the caffeine content is higher even than Western-style Red Bull, and packs a punch equivalent to two or three shots of espresso coffee. Krathing Daeng and its many competitors (including M150, Shark, .357 and the inevitable Karabao Daeng, "Red Buffalo") are available in any convenience store for 10 baht a pop, although in some places you can now buy imported Red Bull for five times the price.

Alcohol

Drinking alcohol in Thailand, especially if you like Western tipples, is actually comparatively expensive, but still very affordable by Western standards.
Retail sales of alcohol in supermarkets and multi-national convenience stores, are limited to between 11:00-14:00 and 17:00-24:00. Restaurants and bars are not affected, and smaller, non-chain stores rarely observe this rule. 7-Eleven is a stickler for following this rule. However, in certain circumstances these rules are relaxed for alcohol purchases above a particular quantity. For example, if you try to purchase 5 litres of wine during the restricted period, it will not be allowed. However, if you were to purchase, say 10 litres of wine, in the same period then this might be permitted. Convenience stores at gas stations are not permitted to sell alcohol at any time.
There are also occasional days throughout the year when alcohol can't be sold anywhere, even the small mom & pop shops normally adhere to the rules on these days, and most bars and pubs do too (although you can probably find a beer somewhere if you're desperate enough). Upmarket hotel bars and restaurants are probably the only places that are realistically likely to be exempt. Religious holidays and elections are normally the reason for these restrictions.

Beer

Western-style beer (เบียร์ bia) is a bit of an upmarket drink in Thailand, with the price of a small bottle hovering between 40 and 100 baht in most pubs, bars and restaurants. Thais like their lagers with relatively high alcohol content (around 6%), as it is designed to be drunk with ice, so the beer in Thailand may pack more of a punch than you are used to. However, if you are an experienced drinker from Western Europe, namely Belgium or Germany, you will find it familiar.

• Local brews: For many years the only locally brewed beer was Singha (pronounced just Sing) but it has lost market to cheaper and stronger Chang. Both are pretty strong (Chang especially, being 6%, and Singha 5%), but for those who prefer something a bit lighter, both local brands have introduced low-alcohol versions of their beers. Singha Light comes in at 3.5%, Chang Draught is 5% and Chang Light is 4.2%. Both are strong in alcohol percentage, gives a little spicy taste (for Europeans, you can compare them to Leffe or Duvel) rather than blended smoothness of German beers (Erdinger or Paulaner). There are also some cheaper local beers - Leo (very popular among locals and expats, with price 10-20% cheaper than Singha) and Archa (cheapest, but the taste is not as nice, it's not sold in the bars often, but is available in almost any 7-Eleven) being among the most popular.
• Premium brands: The two most popular premium brands are Heineken and Tiger, but San Miguel, Federbrau and other Asian beers such as the Japanese Asahi are also fairly commonplace. The premium beers tend to be a bit weaker than the full-strength local beers, and are about 10-20% more expensive.
• Imported beers: Most upmarket pubs in touristy areas will have at least a couple of imported beers available along with the usual local brands, either on draught, in bottles or both. Belgian and German beers can often be found, as well as Irish stouts and ales such as Guinness, British bitters such as John Smiths and the light Mexican beer Corona is gaining in popularity. Regional favourite Beerlao has also started to make an appearance in bars and pubs around the country. All imported beers (with the exception of Beerlao) are very expensive though, being about twice the price of locally sourced beers.
• Other non-beers: The usual range of "alcopops" is available in Thailand, with Bacardi Breezer enjoying the lion's share of the market. Spy wine cooler (of about 10 varieties) is also popular. Cider is harder to find, although some pubs have started to stock Magners and Bulmers.

Imported drinks

Imported liquors, wines and beers are widely available but prohibitively priced for the average Thai. A shot of any brand-name liquor is at least 100 baht, a pint of Guinness will set you back at least 200 baht and, thanks to an inexplicable 340% tax, even the cheapest bottle of wine will set you back over 500 baht. In cheaper bars (especially the go-go kind), the content of that familiar bottle of Jack Daniels may be something entirely different.

Rice wine

Thai rice wine (สาโท sato) is actually a beer brewed from glutinous rice, and thus a spiritual cousin of Japanese sake. While traditionally associated with Isaan, it's now sold nationwide under the brand Siam Sato, available in any 7-Eleven at 25 baht for a 0.65L bottle. At 8% alcohol, it's cheap and potent, but you may regret it the next morning! The original style of brewing and serving sato is in earthenware jars called hai, hence the drink's other name lao hai (เหล้าไห). These are served by breaking the seal on the jar, adding water, and drinking immediately with either glasses or, traditionally, with a straw directly from the pot.

Whisky

The misnamed Thai whisky (lao) refers to a number of liquors. The best known are the infamous Mae Khong (แม่โขง "Mekong") brand and its competitor, the sweeter Saeng Som ("Sangsom"), which are both brewed primarily from sugarcane and thus it is actually rum. Indeed, the only resemblances to whisky are the brown color and high alcohol content, and indeed many people liken the smell to nail polish remover, but the taste is not quite as bad, especially when diluted with cola or tonic water. This is also by far the cheapest way to get blotto, as a pocket flask of the stuff (available in any convenience store or supermarket) costs only around 50 baht.
The "real" Thai whisky is lao khao (เหล้าขาว "white liquor"), which is distilled from rice. While commercial versions are available, it's mostly distilled at home as moonshine, in which case it also goes by the name lao theuan ("jungle liquor"). White liquor with herbs added for flavor and medical effect is called ya dong (ยาดอง). Strictly speaking, both are illegal, but nobody seems to mind very much, especially when hill-tribe-trekking in the North you're likely to be invited to sample some, and it's polite to at least take a sip.

Thailand has accommodation in every price bracket. Always take a look at the room (or better still several rooms, sometimes owners offer not the best/cheaper rooms first) before agreeing a price. In smaller establishments also do ask for the agreed price in writing to avoid problems during check out.
The best prices (30-50% off rack rates) for accommodation can be found during Thailand's low season, which is during May-Aug, which not surprisingly also coincides with the region's monsoon season. The peak season is during Dec-Feb.
The prices listed are average for the country, and vary depending on the region and season. Smaller provincial towns will not have fancy hotels or resorts, while on popular island beaches it may be hard to find something cheaper than 300-400 baht even during the low season.
Another issue for westerners to be conscious of, is the unusual bathroom set up found almost everywhere, except perhaps in the four and five star hotels. In Thailand as in other Asian countries as well, the bathrooms even in many new and well kitted out establishments, tend to have the shower system without any kind of water isolation, be it a curtain or door or whatever, to prevent water splashing all over the place. To most, this is quite irritating as a simple floor water containment and drainage with a some shower curtain would make everything much better, but it seems, proprietors don't see the logic, therefore, requiring guests to be very tolerant of the unusual bathroom layouts and trying to become adept.
Homestays are common in rural areas. Typically, what this means is that you will be staying at your host's home, or on the host's property in something less than a commercial lodging. Usually, meals are included.

Guesthouses are usually the cheapest option, basic ones cost 100-200 baht per room per night (100 or less for a dorm bed). This gets you a room with a fan, a squat toilet (often shared), shower (shared or private), and not much else. Better guesthouses, especially in towns with significant amount of foreign guests, have more amenities (European-style toilet, 24 hour hot shower, bigger room or even a balcony, free Wi-Fi, sometimes TV, everyday room service, fridge), with prices, subsequently, in the range of 200-500 baht. This makes them close to Thai hotels. The difference is they're more oriented to a Western clientèle, and as such, often offer various tours (sometimes overpriced), computers, and/or in-room Internet access, or even have a ground floor restaurant.
If you're satisfied with the guesthouse of your choice and plan to stay there for more than several days (especially during the low season or in the places with abundant accommodation options such as Chiang Mai), ask for a discount; this may not be offered everywhere, but if it is, the weekly rate may be 25% less or so, and for monthly rates it's not uncommon to be half as much. Normally, you'll have to pay for the entire period asked, but if something changes and you have to check out early refunds are not customary in Thailand. As such, if an early departure is possible (but unlikely enough to pay a week/month in advance), you should discuss this option with the owner/manager beforehand.
Hostels are not typical in Thailand. The reason is obvious: given the abundance of budget accommodation and that hostels are unfamiliar to Thais and, as such, purely Westerner-oriented, the price for a private room in a guesthouse will be almost the same, or even cheaper, than for a dorm bed in a hostel. You may get a bit more Westernised and hotel-like interiors, but at the cost of privacy. If you do insist on staying in a hostel, you can find some in the big cities by checking the web. Don't expect to find them just by walking by the streets, though.
Thai hotels start around 200 baht and go up to around 800 baht. The upper-end of this range will be air-conditioned, the lower end will not. The primary difference is that with a hotel room, your bathroom should be private, bed linen, and towels will be provided, and there may be a hot shower. The guests are mostly Thais. TVs are available except at the lower end; Internet access, though, is less likely to be present than in guesthouses; and is even less likely to be free or in-room.
Tourist hotels are generally around 1,000 baht and offer the basics for a beach vacation: swimming pool, room service, and colour TV.
Boutique hotels, 2,000 baht and up, have mushroomed during the past few years, they provide a limited number of rooms (10 or fewer) and more personalized service. While these can be excellent, quality varies widely, so research is essential.
Business and luxury hotels, 4,000 baht and up, offer every modern amenity you can think of and are largely indistinguishable from hotels anywhere else in the world. Some, notably Bangkok's The Oriental, The Sukhothai and The Peninsula are among the world's best hotels. The most luxurious resorts also fall in this price category, with some of the very best and most private adding a few zeros to the price.

The number one cause of death for visitors to Thailand is motorbike accidents, especially on the often narrow, mountainous and twisty roads of Phuket and Samui. Drive defensively, wear a helmet, don't drink and avoid travel at night. Violent crime is in general rare, and the foreigners who get into trouble are typically those that get into drunken fights.

Political unrest

Long-simmering tension between pro- and anti-government groups came to head in 2008, with the anti-government People's Alliance for Democracy (PAD) first blockading several airports in the South for a few days in summer and in November taking over both of Bangkok's airports for a week, causing immense disruption to tourism and the Thai economy. However, while several protesters were killed or injured in scuffles, by and large the protests were peaceful and no tourists were harmed.
Following the resignation of the prime minister in December 2008, things have gone back to normal for the time being, but the situation remains unstable. Keep an eye on the news and try to keep your plans flexible. Avoid demonstrations and other political gatherings.
Do not under any circumstances say anything negative about the Thai royal family. This will usually land you in prison and your embassy/consulate will have little consular assistance (power) in getting you out.
Bad news again in May 2010 when Red Shirt demonstrators occupied a large area of Bangkok, which was not dispersed for 2 months.
This resulted in much violence, arson, etc., and some deaths. This problem is still simmering and although it poses no real threat to tourists it should always be borne in mind that things could easily flare up again.
Thailand's military seized control of government in May 2014, making it the country's 12th successful coup since 1932. Despite sensationalist headlines warning of the dangers of Thailand, travellers using common sense and avoiding potentially risky areas or situations should enjoy a trouble-free holiday.

Corruption

While not as bad as in neighbouring Myanmar, Laos or Cambodia, corruption is unfortunately still fairly common in Thailand relative to Western countries or Malaysia. Traffic police in Thailand often request bribes on the order of 200 baht or so from tourists who are stopped for seemingly minor traffic infringements. Immigration officers at the Malaysian border often ask for a bribe of about 20 baht per person before they stamp your passport, though those at airports generally do not ask for bribes. On the road, if you are absolutely sure you haven't done anything wrong and all your papers are in order, be polite but refuse to pay a bribe and stand your ground even if threatened to be taken to the police station, eventually you'll be let go as the officer will have a harder time doing so and probably get into serious trouble with his superiors.

Scams

Thailand has more than its fair share of scams, but most are easily avoided with some common sense.
More a nuisance than a danger, a common scam by touts, taxi drivers and tuk-tuk drivers in Thailand is to wait by important monuments and temples and waylay Western travellers, telling them that the site is closed for a "Buddhist holiday", "repairs" or a similar reason. The "helpful" driver will then offer to take the traveller to another site, such as a market or store. Travellers who accept these offers will often end up at out-of-the-way markets with outrageous prices - and no way to get back to the centre of town where they came from. Always check at the front gate of the site you're visiting to make sure it's really closed.
Some tuk-tuk drivers might demand much higher price than agreed, or they might take you to a sex show, pretending they didn't understand the address (they get commissions from sex shows). For the same reason, avoid drivers who propose their services without being asked, especially near major tourist attractions. Generally, as a foreigner, it is cheaper to take a metered taxi than a tuk-tuk.
Don't buy any sightseeing tours at the airport. If you do, they will phone several times to your hotel to remind you about the tour. During the tour, you will be shortly taken to a small temple, without a guide, and then one shop after another (they get commissions). They might refuse to take you back home until you see all the shops. On your way back, they pressure you to buy more tours.
Easily identified with practice, it is not uncommon in tourist areas to be approached by a clean cut, well dressed man who will often be toting a cellphone. These scammers will start up polite conversation, showing interest in the unsuspecting tourist's background, family, or itinerary. Inevitably, the conversation will drift to the meat of the scam. This may be something as innocuous as over-priced tickets to a kantoke meal and show, or as serious as a gambling scam or (particularly in Bangkok) the infamous gem scam. Once identified, the wary traveller should have no trouble picking out these scammers from a crowd. The tell-tale well-pressed slacks and button-down shirt, freshly cut hair in a conservative style, and late-model cellphone comprise their uniform. Milling around tourist areas without any clear purpose for doing so, the careful traveller should have no difficulty detecting and avoiding these scammers.
Many visitors will encounter young Thai ladies armed with a clipboard and a smile enquiring as to their nationality, often with an aside along the lines of "please help me to earn 30 baht". The suggestion is that the visitor completes a tourism questionnaire (which includes supplying their hotel name and room number) with the incentive that they just might win a prize - the reality is that everyone gets a call to say that they are a "winner"; however, the prize can only be collected by attending an arduous time-share presentation. The lady with the clipboard doesn't get her 30 baht if you don't attend the presentation; also that only English-speaking nationalities are targeted.
A serious scam involves being accused of shoplifting in the duty-free shops in the Bangkok airport. This may involve accidentally straying across ill-defined boundaries between shops with merchandise in hand, or being given a "free gift". Always get a receipt. Those accused are threatened with long prison sentences, then given the opportunity to pay USD10,000 or more as "bail" to make the problem disappear and to be allowed to leave Thailand. If you end up in this pickle, contact your embassy and use their lawyer or translator, not the "helpful" guy hanging around.

Fake monks

Theravada Buddhism is an integral part of Thai culture, and it is customary for Buddhist monks to roam the streets collecting alms in the morning. Unfortunately, the presence of foreign tourists unaware of local Buddhist customs has led to some imposters preying on unsuspecting visitors. Genuine monks only go on alms rounds in the morning, as they are not allowed to eat after noon, and are also not allowed to accept or touch money. Alms bowls are solely for the purpose of collecting food. If you see a "monk" soliciting monetary donations, or with money in his alms bowl, he is fake.

Robbery on overnight buses

Thailand is quite safe for tourists. However, there have been some reports about people getting drugged and robbed while traveling on overnight buses. To avoid this, steer away from cheapish and non-government buses, make sure you have all your money stored safely in a money belt or another hard-to-reach place and always check your money balance before getting off. Warning your travel companions about this danger is also advised. In case this happens, firmly refuse to get off the bus, tell the rest of the people about the situation and immediately call the police. It may not be possible to stay on the bus, as your refusal may prompt the staff to unload your hold luggage onto the street and then continue to drive the bus without your luggage, forcing you to disembark or lose it.

Prostitution

Thailand's age of consent is 15 but a higher minimum age of 18 applies in the case of prostitutes. Thai penalties for sex with minors are harsh, and even if your partner is over the age of consent in Thailand, tourists who have sex with minors may be prosecuted by their home country. As far as ascertaining the age of your partner goes, all adult Thais must carry an identity card, which will state that they were born in 2543 or earlier if they were over the age of 18 on 1 Jan 2018 (in the Thai calendar, 2018 is the year 2561).
Some prostitutes are "freelancers", but most are employed by bars or similar businesses and if hiring a prostitute from a bar or similar business, you will have to pay a fee to the establishment called a "bar fine", usually 300-500 baht. This entitles you to take them out of their place of employment. It does not pay for additional services; those are contracted separately.
Bar girls, go-go girls and freelancers are all professionals, who are far more likely to be interested in money you can give them than in any continuing relationship for its own sake. Cases of visitors falling desperately in love and then being milked out of all they are worth abound. Thailand has a high rate of STD infection, including HIV/AIDS, both among the general population and among prostitutes. Condoms can be bought easily in Thailand in all convenience shops and pharmacies but may not be as safe as Western ones.
Some aspects of prostitution in Thailand are illegal (e.g., soliciting, pimping), but enforcement is liberal and brothels are commonplace. It's not illegal to pay for sex due to the "Special Services" exemption in Thai law or to pay a "bar fine".

Vaping

Thailand has extremely harsh laws regarding the use of e-cigarettes. Posession carries a sentence of up to 10 years in prison. Especially in Phuket and Bangkok it is likely to get arrested for vaping in public.
Be prepared to bribe yourself out, but note that the going rate for westerners seems to be around 30.000 Baht. If unwilling to pay you’ll most likely be released on bail after a couple of nights in prison and have your passport confiscated until your final sentence.

Drugs

Thailand has extremely strict drug laws and your foreign passport is not enough to get you out of legal hot water. Possession and trafficking offenses that would merit traffic-ticket misdemeanors in other countries can result in life imprisonment or even death in Thailand. Police frequently raid nightclubs, particularly in Bangkok, with urine tests and full body searches on all patrons. Ko Pha Ngan's notoriously drug-fueled Full Moon Parties also often draw police attention.
Possession of cannabis (กัญชา ganchaa), while illegal, is treated less harshly and, if busted, you may be able to pay an "on the spot fine" to get out, although even this can set you back tens of thousands of baht. It's highly unwise to rely on this.
While some police will accept payments on the spot for violating drug laws, others will strictly follow the harsh drug laws to the letter.
Penalties for drug possession in Thailand vary in harshness depending on the following: category of drug, amount of drug, and intent of the possessor. If you do take the risk and get arrested on drug-related charges, you would do well to immediately contact your embassy as a first step. The embassy usually cannot get you out of jail but can alert your home country of your arrest and can often put you in contact with a lawyer in Thailand.
The Thai legal limits the amount of the defending and the usefulness of a lawyer. For minor offences, i.e. peeing positive for cannabis, the penalty can be something like a 2000 baht fine and deportation. However, to actually get this sentencing, someone not familiar with the system would need external help, translations, bail posted etc. As a foreigner not familiar with the system, a hefty bribe at the earliest chance can be the better option. If unfamiliar with both, staying clean from any substances is the best option.
The availability of drugs in Thailand can mislead tourists into making light of the penalties for possessing or selling drugs, but that is unwise.

Civil conflict

In 2004, long-simmering resentment in the southern-most Muslim-majority provinces burst into violence in Narathiwat, Pattani and Yala provinces. All are off the beaten tourist trail, although the eastern rail line from Hat Yai to Sungai Kolok (gateway to Malaysia's east coast) passes through the area and has been disrupted several times by attacks.
Hat Yai (Thailand's largest city in the South) in Songkhla has also been hit by a series of related bombings; however, the main cross-border rail line connecting Hat Yai and Butterworth (on the west coast) has not been affected, and none of the islands or the west coast beaches have been targeted.
In September 2006, three foreigners were killed in bombings in Hat Yai. Some rebel groups have threatened foreigners, but while targets have included hotels, karaoke lounges and shopping malls, Westerners have not been singled out for attacks. There are Islamist and jihadist groups in south Thailand, such as Jemaah Islamiyah. That said, there is usually a strong Thai military presence in the major towns and cities to keep things in order, and the vast majority of foreign visitors do not encounter any problems.

Passport

Make a photocopy of your passport and the page with your visa stamp. A picture of your passport, shot from your phone, will work as well. Always keep your passport or the photocopy with you (the law requires that you carry your actual passport at all times, but in practice a photocopy will usually suffice). Many night clubs insist on a passport (and ONLY a passport) as proof of age. It is not required that you leave your passport with a hotel when you check in.
Motorbike rental places are likely to ask for you passport as collateral. Leaving another document (drivers license, int. drivers license, second passport, ID card) might be the better option. Or consider offering a cash deposit instead.

Security

Carrying your own padlock is a good idea, as budget rooms sometimes use them instead of (or as well as) normal door locks; carry a spare key someplace safe, like your money belt, otherwise considerable expense as well as inconvenience may result should you lose the original. Also consider some type of cable to lock your bag to something too big to fit through the door or window.

Wildlife

Thailand has a few dangerous animals. The most common menace is stray dogs which frequent even the streets of Bangkok. The vast majority are passive and harmless, but a few of which may carry rabies, so steer clear of them and do not, by any means, feed or pet them. If they try to attack you, don't run as this will encourage them to chase you as if you were prey. Instead, try to walk away slowly.
Monkeys may be cute and friendly, but in any area where unaware tourists have corrupted them, they expect to get food from humans. They can be very sneaky thieves, and they can bite. As with dogs, you won't want to get bitten, whether or not they have rabies. Most urban areas do not have "stray" monkeys, but Lopburi is famous for them.
Venomous snakes can be found throughout Thailand, hiding in tall brush or along streams. You're unlikely to ever see one, as they shy away from humans, but they may bite if surprised or provoked. The best course of action when confronted with an unknown snake is to stay still until it leaves. The Siamese crocodile, on the other hand, is nearly extinct and found only in a few remote national parks. Monitor lizards are common in jungles, but despite their scary reptilian appearance they're harmless.

Racial issues

Thais are normally very tolerant of tourists, who are unlikely to encounter aggressive racial abuse regardless of skin colour. However, some visitors may notice their ethnicity attracting some innocent attention. Usually, these situations are limited to stares or unwanted attention in shops. Thais are often curious to find out the nationality of the travellers they meet. Apart from this curiosity, most travellers find it easy to strike up a rapport with Thais.

Fights

Do not get into fights with Thais. Foreigners will eventually be outnumbered and weapons can be involved. Trying to break up someone else's fight is a bad idea, and your intention to help may get you hurt. Also be sure to avoid raising your voice, as Thais consider this to be very insulting, and there have been cases of people being murdered after doing so for making the other person lose face.

Earthquakes & tsunami

Southern Thailand is seismically active, with earthquakes and tsunami. The chief culprit is the Indian tectonic plate (carrying the Indian ocean & subcontinent) which, like a skidding truck, is barrelling northwards while spinning anti-clockwise. In this region it collides with the small Burma plate, which carries the Andaman Sea. When the plates grind past each other (a “slip-strike” collision), they cause earthquakes. But the Indian plate is also being subducted – forced beneath the Burma plate – which lifts the sea-bed, displaces the water, and sets off a tsunami. A most violent event occurred on 26 Dec 2004, when along 1000 miles of fault line the sea-bed was suddenly jacked up by several metres. Two hours later, tsunami hit the west coast of Thailand in three waves 20 min apart, and over 8000 people here were killed.
There was, and is, no effective local warning system, as (unlike the Pacific) major tsunamis in the Indian Ocean are seen as a once-in-a-century event: “Not since Krakatoa in 1883” is the stock refrain. But memory of the 2004 tragedy remains strong. Expect frantic fleeing from the coast if an earthquake is felt, with gridlock and traffic casualties. Your decision will be whether to rush out of the building before it collapses, or rush indoors to try and get above the third floor.
The Burma plate is in turn being shunted against the Sundah plate, which carries the Peninsula mainland and eastern sea. This movement is less violent, but this fault line lies right under the western coastline, so these earthquakes have more local impact and tsunami could strike immediately. Central and Northern Thailand are less quake-prone but the 2014 Mae Lao earthquake, centred on Chiang Rai, caused one death.

LGBT travellers

Thailand is one of the most tolerant countries in Asia with regard to LGBT travellers. There are no laws against homosexuality in Thailand, and LGBT tourism forms a big part of the Thai economy. In the main tourist areas, there is no shortage of gay bars and other gay-friendly establishments to cater to that crowd, and transgender cabarets are also a major tourist attraction. Thailand is one of the world's largest centres of medical tourism for sex reassignment surgery. That being said, same-sex relationships are not given any legal recognition, and transgender individuals are still not allowed to change their legal gender. Thais also tend to be rather conservative, and LGBT people are often relegated to the fringes of society. Fortunately, anti-LGBT violence is extremely rare.

Being a tropical country, Thailand has its fair share of exotic tropical diseases. Malaria is generally not a problem in any of the major tourist destinations, but is endemic in rural areas along the borders with Cambodia (including Ko Chang in Trat Province), Laos, and Myanmar. As is the case throughout Southeast Asia, dengue fever can be encountered just about anywhere, including the most modern cities. The only prevention is avoiding mosquito bites. Wear long pants and long sleeves at dusk in mosquito areas and use repellent (available at any corner shop or pharmacy).
Food hygiene levels in Thailand are reasonably high, and it's generally safe to eat at street markets and to drink any water offered to you in restaurants. Using common sense — e.g., avoiding the vendor who leaves raw meat sitting in the sun with flies buzzing around — and following the precautions listed in our article on travellers' diarrhea is still advisable.
Tap water is usually not drinkable in Thailand outside of Bangkok. In many places in Bangkok however, particularly in new buildings, drinking tap water is perfectly safe. However, if you don't want to chance it, buying a bottle of water is the obvious solution. Bottled water (น้ำเปล่า naam plao) is cheap and ubiquitous at 5-20 baht a bottle depending on its size and brand, and drinking water served in restaurants is always at least boiled (น้ำต้ม naam tom). Ice (น้ำแข็ง naam khaeng) in Thailand usually comes packaged straight from the factory and is safe; there is only reason to worry if you are served hand-cut ice. You can buy a large package of ice in most 7-Elevens for 7 baht, too.
Mainly in residential areas, machines selling water into your own bottle (1 baht/L, or 50 satang (0.5 baht/L) if paid more than 5 baht) are often available, located in some (Thai mostly) hotels, local shops, or just on the street near one. This is a clean (the water is cleaned and UV-treated on the spot) and extremely cheap option, also, this way you'll avoid making unnecessary plastic waste from empty bottles.
The sun is harsher than at higher latitudes. A couple of hours in the sun with unprotected skin will result in redness and a painful night even on a cloudy day.

HIV

Thailand has a high rate of HIV . (Estimated adult (15-49) HIV prevalence is (1.3% of population in 2014)) and other sexually transmitted diseases are common, especially among sex workers. Condoms are sold in all convenience stores, supermarkets, pharmacies, etc. Avoid injection drug use.

Pharmacy

There's a pharmacy on every block in Thailand and most are happy to sell you anything you want without a prescription. However, this is illegal, and police have been known to bust tourists occasionally for possessing medicines without a prescription, even innocuous stuff like asthma medication.

Healthcare

Thailand is a popular destination for medical tourism, and is particularly well-known for sex reassignment surgery. Public hospitals in Bangkok are usually of an acceptable standard and have English-speaking doctors available, though they tend to be understaffed and overcrowded and consequently, waiting times are long. However, the quality of healthcare and availability of English-speaking medical staff can fall sharply once you leave Bangkok and head into the smaller cities and rural areas. The top private hospitals, on the other hand, are among the best in the world, and while vastly more expensive than public hospitals, are still very much affordable by Western standards.
Most major cities in Thailand have at least one private hospital that is used by Western expatriates, and while they are more expensive than public hospitals, they provide a higher standard of care with English-speaking doctors and nurses, and are still reasonably priced by Western standards. Bumrungrad International Hospital in Bangkok is a world-renowned hospital for various surgical procedures that attracts medical tourists from far and wide, while the Bangkok Hospital group is Thailand's largest private healthcare group, and operates hospitals in many of Thailand's major cities.

Thais are a polite people and, while remarkably tolerant of foreigners gallivanting on their beaches and with their women, you'll find that you will get more respect if you in turn treat them and their customs with respect.

The wai

The traditional greeting known as the wai, where you press your hands together as is in prayer and bow slightly, is derived from the Hindu cultural influence from India, and still widely practised. Among Thais, there are strict rules of hierarchy that dictate how and when the wai should be given. In brief, subordinates salute superiors first. You should not wai service people or street vendors. The higher your hands go, the more respectful you are. You will also often see Thais doing a wai as they walk past temples and spirit houses. As a foreign visitor, you are not expected to know how to wai, nor to reciprocate when wai'd to; while you're unlikely to cause offense if you do, you may well look slightly strange. If somebody makes a wai to you, a slight bow alone is more than sufficient for ordinary occasions, and for business, most Thais will shake hands with foreigners instead of waiing anyway.

Dress

Personal appearance is very important in Thailand as a measure of respect to other people, you will find that dressing appropriately means that you are shown more respect in return. This translates in many ways, even sometimes lowering initial offering prices at markets. While some allowance is made for the differing customs of foreigners, Thais respond more positively to well-dressed Westerners.
While the most touristy parts of Bangkok, Pattaya and Phuket are exceptions, traditionally, Thais are modest and conservative dressers. At a minimum your clothes should be neat, clean, and free from holes or tears. Except at the beach or at sacred sites normal western dress is acceptable for both men and women, except that you should avoid clothing showing a lot of skin. Long pants are preferable to shorts, you should always cover your shoulders and if you are a woman, you should not be exposing your cleavage. Outside of the major temples and royal palaces, men wearing shorts is generally acceptable. Both men and women should avoid being topless in public, as Thais consider this to be uncivilised. Although some leeway may be given at the most touristy beach resorts, being topless is illegal, and a shirtless male tourist was arrested in 2016 at Songkran celebrations in Chiang Mai.
Taking off your shoes at temples and private homes is mandatory etiquette, and this may even be requested at some shops. Wear shoes that slip on and off easily. Flip-flops, hiking sandals, and clog-type shoes are usually a good pragmatic choice for traveling in Thailand; only in the most top-end establishments are shoes required.
It is best to play it safe with wats and other sacred sites in Thailand; your dress should be unambiguously modest and cover your entire torso and most of your limbs. For men, ankle-length pants are mandatory; on top, t-shirts are acceptable, though a button-front or polo shirt would be best. Many recommend that women wear only full length dresses and skirts; you should make sure that your clothing covers at least your shoulders and your knees and some places may require that you wear ankle-length pants or skirts and long sleeved tops. Shorts and sleeveless shirts are highly inappropriate, as are short skirts. The rules are even more strict for foreign visitors, so even if you see a local in shorts it's not OK for everyone.
Topless sunbathing is common by Western women at many tourist beaches. At beaches which have primarily Thai visitors, however, this is not advised.

Religion

Monks are an integral part of Buddhism in Thailand, and Thai men are generally expected to spend a certain amount of time living as a monk at least once in their lifetime.
Buddhist monks are meant to avoid sexual temptations, and in particular they do not touch women or take things from women's hands. Women should make every effort to make way for monks on the street and give them room so they do not have to make contact with you. Women should avoid offering anything to a monk with their hands. Objects or donations should be placed in front of a monk so he can pick it up, or place it on a special cloth he carries with him. Monks will sometimes be aided by a layman who will accept things from women merit-makers on their behalf.
Theravada Buddhist monks are also supposed to avoid material temptations and as such, are not allowed to touch money, so offering money to a monk is considered to be a sign of disrespect in most Theravada Buddhist cultures. Therefore, should you wish to donate to a monk, you should only offer food, and put your monetary donation in the appropriate donation box at the temple. Those monks that accept money are almost always fakes.
As in neighbouring countries, the swastika is widely used in Thailand as a Buddhist religious symbol. It pre-dates Nazism by 2,500 years and has no anti-Semitic connotations.
When entering temple buildings, always take off your shoes before you do so, as entering a temple with footwear is considered to be a major faux pas. When sitting on the floor in a temple, make sure you cross your legs under you "mermaid-style" so your feet do not point at any person or statue. Do not pose alongside a Buddha statue for a photo and certainly don't clamber on them. It's OK to take photos of a statue, but everyone should be facing it. Also, as doorway thresholds are considered a sanctuary for spirits, it's important not to step on a raised threshold, but rather to step over it.
Avoid wearing clothing or displaying tattoos with the Buddha or other Buddhist imagery, as it is considered to be very disrespectful.
A sizeable Muslim minority (about 5%) is also present, mainly concentrated in the southern provinces, but also with a significant community in Bangkok. Most Thai Muslims are ethnic Malays, though there are also substantial numbers of Muslims who are ethnically Thai, or descended from Indonesian, Cambodian Cham or South Asian immigrants.

The Royal Family

It's illegal to show disrespect to royalty (lèse-majesté), a crime which carries up to 15 to 20 years imprisonment. Do not make any negative remarks, or any remarks which might be perceived as disrespectful about the King or any members of the Royal Family. Since the King is on the country's currency, don't burn, tear, or mutilate it - especially in the presence of other Thais. If you drop a coin or bill, do not step on it to stop it - this is very rude, since you are stomping on the picture of the King's head that is printed on the coin. Also, anything related to the stories and movies The King and I and Anna and the King is illegal to possess in Thailand. Almost all Thais, even those in other countries, feel very strongly when it comes to any version of this story. They feel that it makes a mockery of their age-old monarchy and is entirely inaccurate. In 2007, a Swiss man (Oliver Jufer) was sentenced to 10 years imprisonment for spraying graffiti on the King's portrait, although he later expressed remorse and was pardoned by His Majesty personally (quote: "It troubles me when such harsh sentences are passed.") and deported to Switzerland.

Animal abuse

Elephants are a large part of Thailand's tourist business, and the smuggling and mistreatment of elephants for tourist attractions is a widespread practice. Be aware that elephants are often separated from their mothers at a young age to be cruelly trained under captivity for the rest of their lives. If you intend to go on an elephant ride, purchase an elephant painting, or "use" elephants for other activities, please take their mistreatment into account. There are a few ethical animal tourism operators in Thailand such as Elephant Nature Park in Chiang Mai.
A depressingly common sight on the congested streets of Bangkok and other tourist centers is elephant begging. During night hours, mahouts (trainers) with lumbering elephants approach tourists to feed the creatures bananas or take a photo with them for a fee. The elephants are brought to the city to beg in this way because they are out of work and are mistreated and visibly distressed under the conditions of the city. Please avoid supporting this cruelty by rejecting the mahouts as they offer you bananas to feed the elephants.
Drugged animals such as lizards and birds are sometimes used by touts as photo subjects. These touts are often seen plying the main tourist beaches of Thailand. The tout will take a photo with you and the doped up animal and then demand payment.
Rare and endangered species are often sold at markets for pets, and many other animal products are sold as luxury items. Avoid buying rare pets, leather, ivory, talons, dried sea creatures (such as starfish), fur, feathers, teeth, wool, and other products since they are most likely the result of illegal poaching, and buying them contributes greatly to animal endangerment and abuse.

Other

• The head is considered the most exalted part of the body, feet the lowliest. Never touch or pat a Thai on the head, including children. If you accidentally touch or bump someone's head, apologize immediately or you'll be perceived as very rude. Similarly, do not touch people with your feet, or even point with them. If someone is sitting with outstretched feet, avoid stepping over them, as this is very rude and could even spark a confrontation. Squeeze around them or ask them to move. Even if the person is sleeping, it is best to go around, as others are likely to notice.
• Thais are conservative compared to Westerners. Public displays of affection are rarely seen, even handholding by married couples, and are generally considered to be distasteful, though due to the dependence of the Thai economy on tourism, Thais grudgingly tolerate such displays by foreigners. Don't make out in public. You'll embarrass yourself and inflame Thai sensibilities.
• It is considered impolite and disrespectful to visibly sniff food before eating it, particularly when eating in someone's home (this is true even if the sniffing is done in appreciation).
• Do not audibly blow your nose in public, especially not at the dinner table, but it is perfectly acceptable to pick your nose at any time or place.
• In Thailand, expression of negative emotion such as anger or sadness is almost never overt, and it is possible to enjoy a vacation in Thailand without ever seeming to see an argument or an unhappy person. Thai people smile often compared to Western people. A smile does not necessarily express happiness. When Thai people smile in a conversation they give the signal that they are civilized and intend to behave with civility, even or expecially in a case of conflict. Do not interpret a smile as a sign of weakness. "Saving face" is a very important aspect of Thai culture and they will try to avoid embarrassment and confrontation.
• In public places (such as large markets) the national anthem is played over loudspeakers at 08:00 and 18:00. When this is played, everyone will stop what they are doing and stand still for the duration. You should do the same. The royal anthem (not national anthem) is played in cinemas before the film, and everyone must stand. It lasts about a minute, then everyone will continue where they left off. In MRT and SkyTrain stations in Bangkok, the escalators will also lurch to a halt to prevent a large human pile-up.
• When giving and receiving business cards, always use your right hand with the left hand supporting the right elbow. As the left hand is traditionally reserved for dirty things, handling business cards with the left hand is considered to be very rude.
• As a reaction against smokers littering beaches with cigarette butts, there is a complete smoking ban in effect since 1 February 2018 on 24 popular beaches around the country. If caught smoking at one of these beaches, you might be fined up to 100,000 baht and/or be sentenced to up to one year in jail.

If you're sticking to major cities and tourist areas, don't worry too much about under-packing; you can get hold of any essentials such as swimming costumes and umbrellas. Some sources say there is no point in bringing a raincoat during the warm rainy season because it is so hot and sticky your raincoat will be uncomfortable.
You will only need a couple of changes of clothes since you can get washing done anywhere cheaply. Sandals for when your hiking shoes are too hot can be bought cheaply in Thailand, although large sizes for women are harder to come by. If female and anything above a size 2 (US), size 6 (UK & IRL), size 36 (rest of EU), busty, or tall, it is often difficult to find clothes that will fit you in any of the Thai shops. If you are male and have a waist more than 38" you will have trouble finding pants. You will largely be limited to backpacker gear (the omnipresent fisherman pants and "Same Same" t-shirts) or Western imports in Bangkok malls, for the same prices as back home or more. While laundry is cheap, it is useful to bring a few changes of clothes, as you may sweat your way through several outfits a day in the Thai weather.
Take enough padlocks for every double zipper to stop wandering hands and lock up your belongings, even in your hotel room. Lock zippers through the lower holes, not the upper ones on the pull tabs. Take earplugs for when you're stuck in a noisy room or want to sleep on the bus.
If you have prescription glasses, it is a good idea to bring a spare pair of glasses or contact lenses plus a copy of your prescription.
Into the toiletries bag throw sun screen and insect repellent. Mosquito coils are also a good idea. A small pocket size torch or flashlight will come in handy when the electricity goes out or for investigating caves. Passport photos come in handy for visas.
If you plan to travel long distances by motorbike, purchase a good quality helmet, which you can do in Thailand. Last but not least, pack your stuff in plastic bags to stop them from getting wet, especially when travelling in the rainy season or on boats.
Aside from the above, the following are recommended:

• Prescriptions for any prescription medications being brought through customs
• Travel insurance
• Blood donor/type card
• Details of your next of kin
• A second photo ID other than your passport
• Credit card plus a backup card for a separate account

Electricity

Electrical power in Thailand is 220 V, 50 Hz. There is a mix of plug types in use. Most typical is the standard ungrounded North American two-bladed plug. Caution: appliances from North America, Japan, and Taiwan meant for only 120 V will overheat and be destroyed without a transformer. Most outlets are ungrounded. Connecting your laptop to mains power will in many cases require that you use an adapter for a two-bladed outlet. They are widely available, even in shops like 7-Eleven. See the article electrical systems for more information.

Internet

The Thai government actively censors Internet access. 2010 estimates place the number of blocked websites at 110,000 and growing. Roughly 77% are blocked for reasons of lèse majesté, content (content that defames, insults, threatens, or is unflattering to the king, including national security and some political issues), 22% for pornography, which is illegal in Thailand. Some web pages from BBC One, BBC Two, CNN, Yahoo! News, the Post-Intelligencer newspaper (Seattle, USA), and The Age newspaper (Melbourne, Australia) dealing with Thai political content are blocked. Wikileaks is blocked.
Internet cafés are widespread and most are inexpensive. Prices as low as 15 baht/hour are commonplace, and speed of connection is generally reasonable, but many cafes close at midnight. Higher prices prevail in major package-tourist destinations (60 baht/hour is typical, 120 baht/hour is not unusual). Islands with multiple Internet cafés include Ko Phi Phi (Don), Ko Lanta (Yai), Ko Samui, Ko Pha Ngan, Ko Tao, Ko Chang (Trat), Ko Samet (Rayong), Ko Si Chang (Chonburi), and of course Phuket.
Outside the most competitive tourist areas, free Wi-Fi is not as common as in neighbouring countries in many budget hotels and guesthouses ("mansions") and they may charge small fee for Internet by LAN or Wi-Fi even if you bring your own laptop. Wi-Fi is commonly available in cafes and restaurants serving Westerners. It's sometimes provided by telecoms who charge fees using them, and it usually requires a telecom account to finish the registration process.
Keyloggers are all too often installed on the computers in cheap cafes, so be on your guard if using online banking, stock broking or even PayPal. Using cut and paste to enter part of your password may defeat some of them. Or typing part of the user name and password inside the text input field (for password or username) then clicking outside of it someplace in the browser window and typing some characters and then clicking back into the text input field and continuing to type the other part and doing this several times. Otherwise take your own laptop to the Internet cafe.
If you suddenly and unexpectedly find yourself typing in Thai (or any other script) you've probably accidentally hit whatever key-combination the computer you're using has been configured to use for switching between languages (often Ctrl+spacebar). To change back, use the "Text Services and Input Languages" option (a quick-access menu is usually available via a "TH" icon visible on the task bar. Simply switch it to "EN").

Telephone

Mobile phones in Thailand have 10 digits, including the leading zero. Land-line telephones have 9 digits, including the leading zero.
To place an international call, you can buy a prepaid card (available for 300 baht at many convenience stores and guesthouses) to use with one of the bright yellow Lenso payphones. You should rarely have trouble finding either of these unless you're way out in the countryside. The international access code is 001.
For mobile phone users, Thailand has three GSM mobile service providers: AIS, DTAC and TrueMove), which may be useful if you have a mobile phone that will work on either one or both of the GSM 900 or 1800 frequency bands (consult your phone's technical specifications). If you have one, you can buy a prepaid SIM card for any of the Thai carriers in any convenience store for as little as 50-200 baht and charge it up as you go. The Bangkok airport is a good place to buy a SIM card, since the people working at the counters there speak relatively good English. Since 2015 you must provide your passport details when buying a SIM card.
Most phones sold by major carriers are "locked" to the carrier. That means that the phone won't work with a SIM card on another network, unless you get it unlocked. Unlocking a phone involves entering a special code into the phone. The procedure for entering this code depends on the specific phone. Most carriers will give you the unlock code, and instructions on how to unlock it, if you have been a subscriber in good standing (bills paid) for a certain period (about 3 months, but depends on the carrier). Contact your carrier's customer service department, and tell them you plan to use your phone overseas. They will usually give you the unlock code. Once unlocked, you can use any SIM card in the phone. Alternatively, the wizards at Bangkok's MBK shopping mall can unlock most phones for less than 500 baht. If you need to buy a mobile phone, you can pick those up at MBK as well, as a huge selection of cheap second-hand mobiles can be found on the 4th floor.
International rates from Thai carriers are surprisingly good. DTAC, for example, charges 10 baht/minute to call the USA. Moreover, you can reduce rates even further, from 1.5x and up to 5-6x for some countries like Russia, by pre-dialing 009 or 008 instead of + before the international country code. For instance, 009 1(xxx)xxx-xxxx for the USA will give you a 5 baht/minute rate, at the expense of slight voice quality decrease, which is often unnoticeable.
TrueMove offers very good international call rates from 1 baht per minute to destinations including the USA, Canada, Australia, UK, France, and Germany with its Inter-SIM promotion. You may find the SIM cards handed out for free at some airports, branded as an AOT SIM and including 5 minutes of free calls back home. You should also use prefixes (006 for better quality, 00600 for a cheaper rate. However, for some countries, the rate is same for both promotions. How to get cheaper rates, as well as rates for selected countries, is clearly listed on SIM card packages.
Coverage is very good throughout the country, all cities and tourist destinations (including resort islands) are well covered, and even in the countryside it's more likely you'll get a network signal than not, especially with an AIS or DTAC SIM. However, if you plan extended stays in remote non-tourist areas, AIS (their prepaid service name is "1-2-Call") is a better choice, at the expense of more pricey local calls than DTAC. But the difference, once very significant, is becoming less and less over time, both in call rates and coverage. TrueMove coverage is considered the worst, with phones occasionally losing signal even in towns. Nevertheless, if you plan to stay only in major cities/islands, and/or don't need your phone available all the time when outside of them, True SIM is OK too. As a benefit, now they have 3G (850 MHz only). Not all handsets, especially older ones, support this band. Coverage in Bangkok (centre, airport and some other areas), Chiang Mai (entire city), Phuket, and Pattaya.
If you plan to visit Thailand at least once a year for short visits, consider buying the SIM with minimal validity restrictions (usually one year from the last top up, even if it was 10 baht). By doing this, you can re-use this SIM on the next trip, thus avoiding hassle of buying a new one every time, keeping your Thai number the same, as well as saving a bit. For example, DTAC offers the Simple SIM plan for that, and before 7-Elevens sold this one by default, but now they seem to offer cheaper (but with limited validity) Happy SIMs instead. Just ask for the former one. Local calls will be a bit more pricey (international are not affected), but usually this is not of much concern for the short-time visitor. AIS (1-2-Call) has similar (but more expensive) offerings too, as well as True. If you already have a Thai SIM and want to switch plans, that is possible for free or with at a small charge. Consult your operator's website for details.
For short-term visitors, international roaming onto Thailand's GSM networks is possible, subject to agreements between operators.

• CAT Telecom 009 IP Telephony service rates - see how much you'll save on international calls if using 009 instead of +.
• Thai Prepaid Card - On-line top up credit for Thai pre-paid SIM cards.
• Thai SIM Top Up - Top up all Thai SIM networks on-line.

Smart Phones / tablets / aircards

A smart phone is an incredibly useful thing to have while travelling. All three big GSM operators offer nationwide GPRS/EDGE and 3G service with 4G already rolled out in major tourist towns. They all offer a bewildering number of SIM card and add-on service packages and competition keeps changing what is available. If you just want to get connected it is enough to know that all three operators cover the country well enough and the prices are not far apart. If you visit for some weeks it is good enough to buy one of the packages offered to tourists at the mobile operator shop that has the shortest queue. AIS has "Traveller SIM", DTAC has "Tourist SIM" and TRUE has "TOURIST SIM". As of 2016 you will pay 299-599 baht to get 7-15 days of unlimited mobile data and call credit enough for over an hour of local calls. You can buy additional data packages if you stay several weeks. Meticulous research can pay off if you stay for months, want to use the same phone number for years, upload gigabytes of videos or simply insist on paying nothing but the lowest possible price for your kind of usage.
However, depending on the amount of data needed, the Tourist/Traveler SIM may come too expensive. There are many other options (e.g. new dtac SIM card with 600 MB/7 days data package costs less than THB 130); refer to Prepaid Data SIM Card Wiki - Thailand for the overview of the packages available and current pricing for all operators.
From 2014 all the operators offer 3G WCDMA at the standard 2100 MHz band in addition to the less common 850 and 900 MHz bands. As a result your device will work whichever operator you choose.
Usually data service is already pre-activated on a prepaid SIM. Internet usage is billed by the minute. Any minute within which your phone accesses the Internet is billed to you. The price of this pay-as-you-use access is not cheap, around 0.5 to 1 baht/minute. That is comparable to Internet cafes. However, Internet packages can be purchased, which can save you quite a lot, especially if you use this service often. These come in three types: time-based (good for laptop users who are on-line just a couple of hours a day), volume-based (appropriate for smartphones or chatting) and unlimited. See this useful guide to 3G data plans in Thailand.
Many smartphones will access the Internet in the background, even when you're not actually using the phone or the Internet. This can eat up your minutes quickly, and then will start to consume your remaining baht much faster,if you have a time-based package. It's best to use either volume-based or unlimited package in this case. Alternatively, make sure your phone has a reliable way of turning off the Internet usage.

• AIS One-2-Call Internet packages can be ordered using phone key codes as long as you have sufficient credit in your SIM. The codes can be found on the Web or in leaflets available in operator shops. Credit top up is available in FamilyMart and MaxValu convenience stores in addition to AIS and TeleWiz shops. Large enough packages provide complimentary unlimited access to the AIS Wi-Fi network available in some urban areas.
• DTAC Happy Internet packages can be ordered using phone key codes as long as you have sufficient credit in your SIM. The codes can be found on the Web or in leaflets available in DTAC shops. Credit refill is available in 7-Eleven and FamilyMart convenience stores in addition to DTAC shops, as well as on DTAC web pages using credit cards. Large enough packages provide complimentary unlimited access to the DTAC Wi-Fi network available in some urban areas.
• TrueMove's packages can be ordered using phone key codes as long as you have sufficient credit in your SIM. The codes can be found on the Web or in leaflets available in TRUE shops. Credit top up is available in 7-Eleven and FamilyMart convenience stores in addition to TRUE shops, as well as on TruveMove H web pages using credit cards. Even the cheaper packages include some access to the TrueMove Wi-Fi network available in some urban areas. To use True Wi-Fi, look for "@truewifi" network, enter your phone '08xxxxxxxx@truemove' as a login and receive your password via SMS.

There are also some less known 3G and 4G network providers and resellers: i-kool 3G, Mojo 3G, MY by CAT, Penguin SIM, TOT 3G, Tune Talk.
Some smart phones may require you to manually enter the APN (Access Point Name) for the Internet to work. APNs have many configurable parameters, but typically only a few pieces of data are necessary. Check your phone's settings; the procedure for editing APNs varies for different phones.

• DTAC - APN Name: www.dtac.co.th, Username: guest, Password: guest
• AIS - APN Name: internet, Username: ais (may not be necessary), Password: ais (may not be necessary)
• TrueMove - APN Name: internet, Username: internet, Password: internet

Topping up an Internet package isn't as straightforward as topping up voice minutes, but not impossible even if you can't speak Thai. While you can easily top up voice minutes at any convenience store, you will likely get a blank stare if you ask for Internet packages. Internet packages can be topped up at cell phone stores, which are easy enough to find in populated areas - however, it is not likely that they'll be aware of all current promotions and options. More services, obviously, will be available at numerous operator's outlets (DTAC shop, TRUE shop, AIS shop, TeleWiz shop for AIS) generally available at the big malls/trade centres (Big C, Tesco, etc.) as well as other public places - refer to your operator's website for details. Alternatively, you can just call the customer support (1678 for DTAC, 1331 for True, 1175 for AIS) - they can both advice you about the nearest office location, if you still need it, or turn off/on any Internet (or SMS or MMS) package you request. However, calls to these service numbers often aren't free for prepaid SIM users, with calling rate up to (DTAC) 3 baht/minute. If you do not want to spend that every time you need to switch - there are numbers where you can do-it-yourself using a voice menu (free of charge): *1004 for DTAC Happy (Thai language only), *9000 for True (in English, at least for the Inter-SIM handed out in the airports).

Thailand borders on Malaysia, Burma, Cambodia, and Laos. Vietnam is beyond Cambodia and Laos, and southern China, Singapore and Indonesia are also in the overall region. Budget airlines offer flights from Bangkok to destinations as far as in Japan and Australia.