Areas and prefectures
- Hokkaido
- Tohoku
Aomori, Iwate, Miyagi, Akita, Yamagata, Fukushima
- Kanto
Ibaraki, Tochigi, Gumma, Saitama, Chiba, Tokyo, Kanagawa
- Chubu
Niigata, Toyama, Ishikawa, Fukui, Yamanishi, Nagano, Gifu, Shizuoka, Aichi
- Kinki
Mie, Shiga, Kyoto, Osaka, Hyogo, Nara, Wakayama
- Chugoku
Totori, Shimane, Okayama, Hiroshima, Yamaguchi
- Shikoku
Tokushima, Kagawa, Ehime, Kochi
- Kyushu
Fukuoka, Saga, Nagasaki, Kumamoto, Oita, Miyazaki, Kagoshima
- Okinawa
