The Chūbu region (中部地方, Chūbu-chihō), Central region, or Central Japan (中部日本, Chūbu-nihon) is a region in the middle of Honshū, Japan's main island. Chūbu encompasses nine prefectures (ken):
Aichi, Fukui, Gifu, Ishikawa, Nagano, Niigata, Shizuoka, Toyama, and Yamanashi