Oita Prefecture(大分県) is one of prefectures of the Kyusyu Island. It is located the side of Seto Inland Sea. It is known as the best Onsen Prefecture. The both the numbers of Onsen Springs and the amount of springing Onsen water are the largest in Japan. Especially, Beppe is the largest Onsen town in the world. Not only Onsen, but there are many beautiful natures in Oita Prefecture.