physical-world
Chiba, Gunma, Ibaraki, Kanagawa, Saitama, Tochigi, Tōkyō
Kantō
physical-world
Hiroshima, Okayama, Shimane, Tottori, Yamaguchi
Chūgoku
physical-world
Akita, Aomori, Fukushima, Iwate, Miyagi, Yamagata
Tōhoku
physical-world
Aichi, Fukui, Gifu, Ishikawa, Nagano,
Niigata, Shizuoka, Toyama, Yamanashi
Chūbu
physical-world
Hyōgo, Kyōto, Mie, Nara, Ōsaka, Shiga, Wakayama
Kansai (also known as Kinki)
physical-world
Fukuoka, Kagoshima, Kumamoto,
Miyazaki, Nagasaki, Ōita, Okinawa, Saga
Kyūshū & Okinawa
physical-world
Ehime, Kagawa, Kōchi, Tokushima
Shikoku
physical-world
Hokkaidō
Hokkaidō
physical-world
Tōhoku region, Kantō region, Chūbu region, Kansai (or Kinki) region, Chūgoku region
Honshū