Rakuten Travel : Condition of Registered Room

District	Prefectures
Hokkaido	Hokkaido
Touhoku	Aomori Iwate Miyagi Akita Yamagata Fukushima
kanto	Ibaraki Tochigi Gunma Saitama Chiba Tokyo Kanagawa
chubu	Niigata Toyama Ishikawa Fukui Yamanashi Nagano Gifu Shizuoka Aichi
kinki	Mie Shiga Kyoto Osaka Hyogo Nara Wakayama
chugoku	Tottori Shimane Okayama Hiroshima Yamaguchi
sikoku	Tokushima Kagawa Ehime Kochi
kyusyu	Fukuoka Saga Nagasaki Kumamoto Oita Miyazaki Kagoshima
okinawa	Okinawa
Outside of Japan	Australia Austria Belgiun Cambodia Canada England France Germany Guam Hawaiian Islands Hungary INDIA Indonesia Italy Kenya Korea Koror Laos Malaysia Maldives Mexico Union of Myanma Netherlands New Zealand Saipan French Polynesia Palau Peru Philippines ROMANIA Singapore Spain Thailand TURKEY U.S.A. Vietnam