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Katsuura (勝浦) is a city located in Chiba, Japan.
There's nothing much around here except a small underwater observatory.
Most mornings (weather permitting) there is a large "morning market" (asa ichi) in the center of the city near the shore. You'll find freshly-caught fish and shellfish, as well as regional specialties and dried snacks - squid, fish, nori, etc. The market is open until about 11:00AM.
Katsuura is well known for its tantanmen, a spicy ramen dish. Katsuura tantanmen won first place in the 2015 B-1 Grand Prix food festival.