Oita Prefectural Tourism Association is dedicated to the promotion of tourism in Oita. Oita Prefecture is so famous for its hot springs that it is known as the Hot Spring Prefecture. It boasts the greatest number of hot springs as well as the greatest hot spring yield in Japan. There is a great variety to the quality of the hot spring water, with 8 of the recognized 10 types of water present in the prefecture. There are also a variety of hot spring types and 16. Translating ( Japanese - English )