| Name | Country | Feature class | Latitude | Longitude | |
|---|---|---|---|---|---|
2401  | Iwai Sima  Iwai Shima,Iwai Sima,Iwai-jima,Iwai-shima,zhu dao,祝島 | Japan, Yamaguchi | island | N 33° 46′ 52'' | E 131° 58′ 21'' |
| 2402 | Iwaigame Yama Iwaigame Yama,Iwaigame-yama,Iwaikame-dake,Iwaikame-yama,zhu ping shan,祝瓶山 | Japan, Yamagata Nagai-shi | mountain | N 38° 11′ 49'' | E 139° 52′ 46'' |
| 2403 | Iwafuse Yama Iwabashi-yama,Iwafuse Yama,Iwafuse-yama,Iwafushi-yama,yan fu shan,岩伏山 | Japan, Shimane Nita Gun > Okuizumo Chō | mountain | N 35° 14′ 16'' | E 132° 57′ 43'' |
| 2404 | Iwadō Yama Iwado Yama,Iwado-yama,Iwadō Yama,Iwato Yama,iwadouyama,yan tang shan,いわどうやま,イワドウヤマ,岩堂山 | Japan, Kanagawa Miura | hill elevation 24m | N 35° 9′ 5'' | E 139° 38′ 41'' |
| 2405 | Itsuki Shima Itsuki,Itsuki Shima,Itsuki Sima,Itsuki-jima,Itsuki-shima,Ituki Sima,zhai dao,斎島 | Japan, Hiroshima Kure | island | N 34° 7′ 3'' | E 132° 47′ 32'' |
| 2406 | Itō Dake Ito Dake,Ito-dake,Itoga-take,Itō Dake,Itō-dake,Itōga-take,yi dong yue,以東岳 | Japan, Niigata Murakami Shi | mountain | N 38° 20′ 34'' | E 139° 50′ 56'' |
| 2407 | Ite Zaki Ite Zaki,Ite-saki,Ite-shima,Ite-zaki,she shou qi,射手崎 | Japan, Kagoshima Satsuma-sendai Shi | point | N 31° 52′ 9'' | E 129° 56′ 20'' |
| 2408 | Iso Zaki Iso Zaki,Iso-saki,Iso-zaki,ji qi,磯崎 | Japan, Fukuoka Itoshima-shi | point | N 33° 30′ 25'' | E 130° 5′ 1'' |
| 2409 | Iso Zaki Iso Saki,Iso Zaki,Iso-zaki,ji qi,磯崎 | Japan, Oita | point | N 33° 14′ 48'' | E 131° 46′ 46'' |
| 2410 | Isone Zaki Isone Zaki,Isone-misaki,isonezaki,ji gen qi,いそねざき,イソネザキ,磯根崎 | Japan, Chiba Futtsu Shi | point | N 35° 16′ 18'' | E 139° 50′ 49'' |
| 2411 | Ishizumiga Hana Ishizumiga Hana,Ishizumiga-hana,Ishizumino-hana,Isiizumi-ga Hana,shi jike bi,石積ヶ鼻 | Japan, Tokyo Hachijō Shichō > Hachijō Machi | point | N 33° 4′ 46'' | E 139° 51′ 29'' |
| 2412 | Mount Ishizuchi Ishizuchi-san,Ishizuchi-yama,Ishizuchi-zan,Mount Ishizuchi | Japan, Ehime Saijō | mountain elevation 1982m | N 33° 46′ 0'' | E 133° 7′ 0'' |
| 2413 | Nosokoishi Zaki Ishi-saki,Ishi-zaki,Nosokoishi Zaki,nosokoishizaki,ye di shi qi,のそこいしざき,ノソコイシザキ,野底石崎 | Japan, Okinawa Ishigaki-shi | point | N 24° 31′ 8'' | E 124° 15′ 23'' |
| 2414 | Ishidate Yama Ishidate Yama,Ishidate-yama,Ishitate-yama,shi li shan,石立山 | Japan, Kochi Kami Shi | mountain | N 33° 47′ 5'' | E 134° 3′ 17'' |
| 2415 | Ishimiji-yama Ishimidera-yama,Ishimiji-yama,Isimizi Yama,Iwamiji-yama,Sekimiji-yama | Japan, Kochi Shimanto Shi | mountain | N 33° 1′ 0'' | E 132° 57′ 0'' |
| 2416 | I Shima I Shima,I Sima,I-jima,I-shima,jing dao,井島 | Japan, | island | N 34° 29′ 36'' | E 134° 1′ 0'' |
| 2417 | I Shima Benten-jima,I Shima,I Sima,I-jima,I-shima,yi dao,伊島 | Japan, Tokushima | island | N 33° 50′ 50'' | E 134° 48′ 46'' |
| 2418 | Ishikiri Bana Ishikiri Bana,Ishikiri-bana,Ishikiri-hana,Ishikirino-hana,shi qie bi,石切鼻 | Japan, Nagasaki Gotō Shi | point | N 32° 42′ 16'' | E 128° 50′ 55'' |
| 2419 | Ishikina Saki Ikkino-saki,Ishikina Saki,Ishikina-saki,ishikina qi,イシキナ崎 | Japan, Okinawa Kunigami-gun > Kunigami Village | cape | N 26° 44′ 7'' | E 128° 19′ 4'' |
| 2420 | Mount Ishikawa Ishikawa Dake,Ishikawa-dake,Ishikawa-take,Mount Ishikawa,shi chuan yue,石川岳 | Japan, Okinawa Kunigami-gun > Onna | hill elevation 204m | N 26° 26′ 58'' | E 127° 50′ 5'' |
| 2421 | Ishidōrōno-hana Ishidorono-hana,Ishidōrōno-hana,Ishiteirono-hana,Ishiteirōno-hana,Ishitorono Hana,Isidoro-no-Hana,Is... | Japan, Nagasaki | point | N 32° 41′ 0'' | E 129° 49′ 0'' |
| 2422 | Ishi Dake Ishi Dake,Ishi-dake,Ishi-take,shi yue,石岳 | Japan, Okinawa Nago Shi | mountain | N 26° 32′ 22'' | E 127° 59′ 17'' |
| 2423 | Isen Zaki Isen Zaki,Isen-saki,Isen-zaki,yi xian qi,伊仙崎 | Japan, Kagoshima Ōshima-gun > Isen Chō | cape | N 27° 39′ 45'' | E 128° 56′ 14'' |
| 2424 | Ise Kojima Ise Kojima,Ise-Ko Sima,Ise-ko-shima,Iseko-jima,yi shi xiao dao,伊勢小島 | Japan, Yamaguchi | island | N 34° 1′ 22'' | E 132° 19′ 28'' |
| 2425 | Ise Jima Ise Jima,Ise Sima,Ise-jima,Ise-shima,yi shi dao,伊勢島 | Japan, Shimane | island | N 34° 46′ 30'' | E 131° 52′ 54'' |
| 2426 | Iruka Bana Iruka Bana,Iruka-bana,Iruka-saki,Koton-bana,Kōton-bana,hai tun bi,海豚鼻 | Japan, Nagasaki Iki Shi | cape | N 33° 42′ 18'' | E 129° 42′ 59'' |
| 2427 | Iri-zaki Iri-saki,Iri-zaki,Irii Saki,Nisi Saki,Shinkawa-saki | Japan, Okinawa Yaeyama-gun > Yonaguni Town | point | N 24° 27′ 1'' | E 122° 56′ 2'' |
| 2428 | Nishihenna Zaki Iri-henna-saki,Iri-hianna-saki,Iriheanna-saki,Irihianna Zaki,Nishihenna Zaki | Japan, Okinawa Miyakojima Shi | point | N 24° 54′ 35'' | E 125° 15′ 20'' |
| 2429 | Irabu-jima Erabu Sima,Erabu shima,Irabu-jima,Irabu-shima,Yerabu Jima,yi liang bu dao,伊良部島 | Japan, | island | N 24° 50′ 2'' | E 125° 11′ 20'' |
| 2430 | Iori Zaki Io-zaki,Iori Zaki,Iori-saki,an qi,庵崎 | Japan, Nagasaki Sasebo Shi | cape | N 33° 7′ 0'' | E 129° 42′ 39'' |
| 2431 | Iō-shima Io Sima,Io-jima,Io-shima,Iō-jima,Iō-shima,ioujima,yi wang dao,いおうじま,伊王島 | Japan, Nagasaki | island elevation 108m | N 32° 42′ 27'' | E 129° 46′ 9'' |
| 2432 | Iō-jima Io Sima,Io-jima,Io-shima,Iwo-jima,Iwō-jima,Iō Sima,Iō-jima,Iō-shima,Sulphur Island,Volcano Island,Yu... | Japan, Kagoshima | island | N 30° 47′ 28'' | E 130° 17′ 39'' |
| 2433 | Mount Iō Io Dake,Io-dake,Iwo-dake,Iwō-dake,Iō Dake,Iō-dake,Mount Io,Mount Iō,Yuwo-dake,Yuwō-dake,liu huang yu... | Japan, Kagoshima Kagoshima-gun > Mishima Mura | mountain elevation 703m | N 30° 47′ 34'' | E 130° 18′ 23'' |
| 2434 | Inutabu Dake Inutabu Dake,Inutabu-dake,Inutabu-take,quan tian bu yue,犬田布岳 | Japan, Kagoshima Ōshima-gun > Amaki | mountain | N 27° 44′ 19'' | E 128° 56′ 44'' |
| 2435 | Inujima Inu Jima,Inu Sima,Inu-jima,Inu-shima,Inujima,quan dao,犬島 | Japan, Okayama | island | N 34° 33′ 49'' | E 134° 6′ 6'' |
| 2436 | Inu Jima In-jima,Inu Jima,Inu Sima,Inu-shima,O Shima,quan dao,犬島 | Japan, Kagoshima | island | N 31° 52′ 28'' | E 129° 57′ 14'' |
| 2437 | Inunaki Yama Inunaki Yama,Inunaki-yama,Kumaga-shiro,Kumagajo,Kumagajō,quan ming shan,xiongke cheng,熊ヶ城,犬鳴山 | Japan, Fukuoka Miyawaka Shi | mountain | N 33° 41′ 13'' | E 130° 32′ 57'' |
| 2438 | Inumodoshi-bana Inumodoshi-bana,Inumodoshi-hana,Inumodosi Hana,Inumodosu-hana | Japan, Oita Saiki Shi | point | N 32° 47′ 7'' | E 131° 56′ 10'' |
| 2439 | Inumodori Bana Fuki-saki,Fūki-saki,Inumodori Bana,Inumodori-hana,Inumodoshi-bana,quan ti bi,犬戻鼻 | Japan, Kagoshima Minamisatsuma Shi | point | N 31° 15′ 11'' | E 130° 14′ 34'' |
| 2440 | Inumodoriga Hana Inumodori-hana,Inumodoriga Hana,Inumodoriga-hana,quan tike bi,犬戻ヶ鼻 | Japan, Hiroshima Kure | point | N 34° 12′ 39'' | E 132° 41′ 2'' |
| 2441 | Inumodori Hana Inumodori Hana,Inumodori-bana,Inumodori-hana,Inumodoshi-hana,quan ti bi,犬戻鼻 | Japan, Okayama Tamano Shi | point | N 34° 27′ 20'' | E 133° 56′ 34'' |
| 2442 | Inuga Misaki Inu Zaki,Inu-saki,Inuga Misaki,Inuga-saki | Japan, Kyoto Kyōtango Shi | cape | N 35° 45′ 23'' | E 135° 8′ 11'' |
| 2443 | Inubushi Yama Inubushi Yama,Inubushi-san,Inubushi-yama,Inufushi-yama,quan fu shan,犬伏山 | Japan, Hiroshima Aki-takata Shi | mountain | N 34° 48′ 24'' | E 132° 36′ 42'' |
| 2444 | Inokura Bana Inokura Bana,Inokura Hana,Inokura-bana,inokura bi,イノクラ鼻 | Japan, Nagasaki Minamimatsuura Gun > Shinkamigotō Chō | point | N 32° 55′ 10'' | E 128° 55′ 50'' |
| 2445 | Inoko Jima I-no-ko Sima,Inoko Jima,Inoko-jima,Inoko-shima,zhu zi dao,猪子島 | Japan, Hiroshima | island | N 34° 11′ 53'' | E 132° 19′ 7'' |
| 2446 | Inno Shima In No Sima,In-no Sima,Inno,Inno Shima,Inno Sima,Inno-shima,yin dao,因島 | Japan, Hiroshima | island | N 34° 19′ 13'' | E 133° 10′ 24'' |
| 2447 | Inge Shima Inge Shima,Inge Sima,Inge-jima,Inge-shima,yuan xia dao,院下島 | Japan, Hyōgo | island | N 34° 39′ 1'' | E 134° 26′ 11'' |
| 2448 | Inazumi Yama Inasumi-yama,Inatsumi-yama,Inazumi,Inazumi Yama,Inazumi-yama,dao ji shan,稲積山 | Japan, Tottori Hino Gun > Nichinan Chō | mountain | N 35° 6′ 10'' | E 133° 13′ 41'' |
| 2449 | Inatori Misaki Inatori Misaki,Inatori-misaki,Inatori-zaki,Inatoria-misaki,dao qu jia,稲取岬 | Japan, Shizuoka Kamo > Higashiizu Chō | cape | N 34° 46′ 8'' | E 139° 2′ 50'' |
| 2450 | Ina Zaki Ina Zaki,Ina-saki,Ina-zaki,yi nai qi,伊奈崎 | Japan, Nagasaki Tsushima Shi | point | N 34° 33′ 22'' | E 129° 17′ 20'' |
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