The region includes the prefectures of Mie, Nara, Wakayama, Kyoto, Osaka, Hyōgo, and Shiga.
Regija zajema devet prefektur: Aichi, Fukui, Gifu, Ishikawa, Nagano, Niigata, Shizuoka, Toyama in Yamanashi ter del obale Tihega Oceana na jugovzhodu in Japonskega morja na severozahodu.