AMAKUSA GROUP IOTA Ref AS-012 Tobase-jima Oyano-shima Yagyu-jima Senzokuzozo-jima Yu-shima Nogama-jima Nagaura-jima Se-jima Hiai-jima Takamoku-jima Take-shima Kuro-shima Mitsu-jima Otsu-jima Otsuku-shima Hino-shima AmakusaKami-shima Kusumori-jima Hyotan-jima Yokoura-jima Maki-shima Mae-shima Goshoura-jima Kuro-shima Take-shima Ohira-jima Yoko-shima Kame-jima Tsuji-jima AmakusaShimo-shima Ubu-shima Aka-shima Kuwa-shima Oh-shima Aka-shima Ushi-jima Gezu-shima Kuro-shima Hoga-shima Tsukino-shima Futago-jima Kata-shima Kamoise-jima To-shima Shishi-jima Ikara-jima Soura-jima Naga-shima Ko Ikara-jima IZU GROUP IOTA Ref AS-008 Oh-shima Ri-shima Utone-jima Nii-jima Jinai-jima Haya-shima Shikine-jima Kohzu-shima Mikura-jima Miyake-jima Ohnohara-jima Onda-jima KAZAN GROUP IOTA Ref AS-30 Kitaiwo-jima Iwo-jima Minamiiwo-jima OSUMI GROUP IOTA Ref AS-32 Mage-jima Tanega-shima Take-shima Iwo-jima Shin Iwo-jima Yuse-rock Kuro-shima Kuchino Erabu-jima Yaku-shima TSUCHIMA GROUP IOTA Ref AS-36 Kujirase-rock Mitsu-shima Haehase-rock Uni-shima Tsu-shima Ko-shima Enoki-shima Matsu-shima Nezumi-shima Aka-shima Oki-shima Shimanodan-shima Kuro-shima Ushi-jima Naiin-shima KOSHIKI GROUP IOTA Ref AS-37 No-jima Okino-shima Futago-jima Chika-shima Kami Koshiki-jima Naka Koshiki-jima Shimo Koshiki-jima GOTO GROUP IOTA Ref AS-40 Uki-jima Tera-jima Koshiki-jima Mu-shima Nozaki-jima No-shima Ojika-jima Koguro-jima Kuro-shima Otoko-jima Uu-shima Madara-jima Koro-jima Yaburoki-shima Kai-rock Oh-shima Aka-shima Hoge-shima Kura-shima Birou-jima Hira-shima Maeno-shima Nakagori-shima Noanjyu-jima Yamaanjyu-jima Zuga-shima Syugen-jima Ore-shima Kashiwa-jima Kushi-jima Higo-shima Arifuku-shima Wakamatsu-jima Aino-shima Hebo-jima Naru-shima Unoko-jima Mae-shima Hisaka-jima Warabiko-jima Tsubura-shima Kaba-shima Ikenoko-jima Shinoki-jima Tatara-jima Yaneo-shima Takenoko-jima Hocha-jima Sazaeno-shima Fukue-jima Hime-jima Aka-shima Koitabe-shima Oitabe-shima Ki-jima Sagano-shima Shimayama-shima Kuro-shima Wa-jima Taro-shima Biroh-jima Kobiroh-shima Kujira-rock OKI GROUP IOTA Ref AS-41 Dogo-jima Okino-shiima Shiro-shima Shijiki-jima Kami-shima Omori-jima Matsu-shima Komori-shima Kanmuri-jima Nakano-shima Nishino-shima Chiburi-jima Kohaka-jima Okaga-jima Shimazu-shima Asa-shima Kami-shima NANPO GROUP IOTA Ref AS-43 Hachijyo-jima Hachijyoko-jima Aoga-shima Tori-shima Myoujin-rock Beyonezu-rocks Sumisu-shima Sofu-rock DAITO GROUP IOTA Ref AS-47 Oki Daito-jima Kita Daito-jima Minami Daito-jima DANJYO GROUP IOTA Ref AS-56 Otoko-jima Kuroki-jima Yori-shima Hanaguri-shima Onna-jima UJI GROUP IOTA Ref AS-67 Uji-shima Nishi Tachigami-jima Uji Mukai-jima Kujyaku-jima Same-jima Kamino-shima Nakano-shima Shimono-shima HOKKAIDO GROUP IOTA Ref AS-78 Rebun-Tou Rishiri-Tou Yagishiri-Tou Teuri-Tou Moeyururi-jima Yururi-jima Daikoku-jima Okushiri-Tou O-shima Ko-jima Hokkaido HONSHU GROUP IOTA Ref AS-117 Prefecture N° Name Island Name 02 Aomori Kyuroku-jima 03 Iwate Sangan-jima 04 Akita Nil 05 Yamagata Tobi-shima 06 Miyagi Tashiro-jima Oh-shima Futamata-jima, Kasakai-jima, Hira-shima, Eno-shima, Kinkazan-jima, Amiji-shima, Ashi-shima, Tashiro-jima De-shima No-jima, Tsubaki-shima Hakkei-jima 07 Fukushima Nil 08 Niigata All Ryotsu City Awa-shima All Sado Gun 10 Tokyo Nil 11 Kanagawa Saru-shima Jyoga-shima 12 Chiba Uki-shima, Futama-jima 14 Ibaraki Nil 18 Shizuoka Hatsu-shima KamikoMoto-jima 20 Aichi Oh-shima Hime-shima Himaga-jima, Shino-shima, No-jima Oki-shima, Kaji-shima, Saku-shima 21 Mie Sawaru-shima Toushi-jima, Ohzukumi-jima, Kami-shima, Suga-shima Sekino-shima, Oh-shima, Suzu-shima 22 Kyoto Ke-shima, Kanmuri-jima, Kutsukake-jima, Isokuzu-jima 25 Osaka Nil 26 Wakayama Tomoga-shima Okino-shima Taka-shima, Karimo-jima Oh-shima Kuro-shima 27 Hyogo Any Sumoto City Ie-shima Archipelago Any Tsuna Gun Any Mihara Gun 28 Toyama Nil 29 Fukui Toribe-jima, MIkura-jima 30 Ishikawa Hegura-jima, Nanatsu-shima 31 Okayama Inu-shima Kama-shima, Kataba-jima, Kamimizu-shima, Shimomizu-shima, Mutsuguchi-jima I-shima, Ohzuchi-jima Akechi-shima, Taka-shima, Iroishi-jima, Kitamoto-jima, Manabe-jima, Mutsu-shima, Ohtobi-shima, Kotobi-shima Ao-shima, Kiiro-jima, Kuro-shima Kakui-jima, Tsuru-shima, Kashira-jima, Ohtafu-jima, So-shima, Kou-shima 32 Shimane Uma-shima Taka-shima 33 Yamaguchi Manjyu-shima, Senjyu-shima, Mutsure-jima Saba-shima, Ha-shima, Oh-shima, O-shima, Ai-jima Ohtsu-shima, Kurokami-jima, Sen-shima No-jima, Sawa-shima, Taira-jima Kasado-jima Hashira-jima, Kuro-shima, Kurakake-jima, Te-shima, Iseko-jima, Hodaka-jima, Tan-jima Ushi-jima Hiragori-jima, Kakezu-jima All Ohshima Gun Ya-shima, Iwai-jima O-jima, Me-jima, Tsuno-shima Take-shima 34 Tottori Nil 35 Hiroshima Ni-shima, Benten-jima, Kanawa-jima, Touge-jima Ohkuno-shima, Kokuno-shima, Awa-shima Sagi-shima, Kosagi-jima Hyaku-shima, Ka-shima All Innoshima City Hashiri-jima, Uji-shima Atada-jima Miya-jima, Eta-jima Nohmi-jima, Ohkurokami-jima Kamikamagari-jima, Shimokamakari-jima, Kamikuro-shima, Shimokuro-shima Ta-jima, Yoko-shima, Osakikami-shima, Ikuno-shima, Funa-shima, Naga-shima, Ohshiba-jima, Uma-shima, Osakishimo-shima, Yoko-shima, Toyo-shima, Misumi-shima, Yakuhi-jima, Sai-jima