Area	Prefecture
Hokkaido	Hokkaido
Tohoku	Aomori Akita Iwate Yamagata Miyagi Fukushima
Koshinetsu	Yamanashi Nagano Niigata
North Kanto	Ibaraki Tochigi Gumma
South Kanto	Saitama Chiba Tokyo Kanagawa
Tokai	Shizuoka Aichi Gifu Mie
Hokuriku	Toyama Ishikawa Fukui
Kinki	Shiga Kyoto Nara Osaka Wakayama Hyogo
Chugoku	Tottori Shimane Okayama Hiroshima Yamaguchi
Shikoku	Kagawa Tokushima Ehime Kochi
North Kyushu	Fukuoka Saga Oita Nagasaki
South Kyushu	Kumamoto Miyazaki Kagoshima
Okinawa	Okinawa