Wakayama Prefecture ,located in the southern part of the Kansai area, is full of hot springs. The two most popular hot spring areas are Shirahama which is along the western coast and further south, Katsuura. In Nachi-Katsuura Town of Wakayama Prefecture, there are the two famous spas of Katsuura and Kawayu. It is said that the first hot springs were discovered in this area in approximately 480. Nachi-Katsuura has been prosperous as a monzen-machi of the Kumano Hayatama Shrine.