Number of hot spring hotels in Japan 2023, by prefecture
As of March 2023, there were 2,108 hot spring (onsen) lodging facilities in Shizuoka Prefecture, Japan. The prefecture had the most onsen lodging facilities in the country, followed by Nagano Prefecture, and Oita Prefecture. Shizuoka Prefecture is located to the west of Tokyo, and it is home to Japan's most famous mountain, Mt. Fuji.