KashimaSaga Prefecture, Japan.
By train, Kashima is located along the Nagasaki Main Line which runs from Tosu to Nagasaki. There are 4 stations located within the city (Hizen-Kashima, Hizenhama, Hizen-Nanaura, Hizen-Iida). The Limited Express Kamome train stops at Hizen-Kashima (running from Nagasaki to Hakata (Fukuoka). All other stations are served only by local trains. If traveling from the direction of Saga, be aware that some local trains split at Hizen-Yamaguchi Station (the other cars will follow the Sasebo Line to Sasebo). Make sure you're in the right car.
Kashima Castle Ruins
Kashima Gatalympics is held every May in a small town called Hama, near Kashima City. This event involves playing a variety of sports in the mudflats of the Ariake Sea.