Also known as: Kyuukoku (九国: “nine states”), Chinzei (鎮西: “west of the pacified area”), Tsukushi-shima (筑紫島: “island of Tsukushi”), Saikaidou (西海道: “West Sea Route”).

Lit.: "Nine Provinces", the third-largest and most southerly and westerly island of Japan. Its name comes from the former provinces of Japan situated on the island: Chikuzen, Chikugo, Hizen, Higo, Buzen, Bungo, Hyuuga, Osumi, and Satsuma. It is now comprised of the prefectures of Fukuoka, Kagoshima, Kumamoto, Miyazaki, Nagasaki, Ooita, Saga, and Okinawa.