| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Ianabaru | city | Okinawa-ken | Japan | 26.2388889 | 127.7516667 | 72 | 31580 |
| Ibarama | city | Okinawa-ken | Japan | 24.5 | 124.2833333 | 0 | 15110 |
| Ibaru | city | Okinawa-ken | Japan | 26.0905556 | 127.6852778 | 3 | 24681 |
| Ibaruma | city | Okinawa-ken | Japan | 24.5 | 124.2833333 | 0 | 15110 |
| Ibonohama | city | Okinawa-ken | Japan | 26.2166667 | 127.7833333 | 0 | 31580 |
| Ibu | city | Okinawa-ken | Japan | 26.75 | 128.3166667 | 3 | 22772 |
| Ichi | city | Okinawa-ken | Japan | 26.3844444 | 127.9902778 | 0 | 4461 |
| Ichi | city | Okinawa-ken | Japan | 26.75 | 128.1833333 | 380 | 33282 |
| Ichibaru | city | Okinawa-ken | Japan | 26.3666667 | 127.8333333 | 13 | 43652 |
| Ichikawabaru | city | Okinawa-ken | Japan | 27.0166667 | 127.9666667 | 0 | 6775 |
| Ichikawara | city | Okinawa-ken | Japan | 27.0166667 | 127.9666667 | 0 | 6775 |
| Ichimasui | city | Okinawa-ken | Japan | 24.8333333 | 125.2166667 | 0 | 11264 |
| Ichukazu | city | Okinawa-ken | Japan | 26.1519444 | 127.7563889 | 462 | 29201 |
| Ichuman | city | Okinawa-ken | Japan | 26.1247222 | 127.6694444 | 3 | 24681 |
| Ie | city | Okinawa-ken | Japan | 26.7097222 | 127.8091667 | 3 | 7366 |
| Ie | city | Okinawa-ken | Japan | 26.8 | 128.3166667 | 3 | 23308 |
| Ifuwa | city | Okinawa-ken | Japan | 26.4183333 | 127.8180556 | 6 | 26908 |
| Ige | city | Okinawa-ken | Japan | 26.4544444 | 127.8741667 | 45 | 27045 |
| Igei | city | Okinawa-ken | Japan | 26.4544444 | 127.8741667 | 45 | 27045 |
| Iha | city | Okinawa-ken | Japan | 26.1561111 | 127.7197222 | 288 | 41688 |
| Iha | city | Okinawa-ken | Japan | 26.4183333 | 127.8180556 | 6 | 26908 |
| Ihara | city | Okinawa-ken | Japan | 26.0905556 | 127.6844444 | 3 | 24681 |
| Ihara | city | Okinawa-ken | Japan | 26.0905556 | 127.6852778 | 3 | 24681 |
| Ihiya | city | Okinawa-ken | Japan | 26.9166667 | 127.9333333 | 3 | 5545 |
| Ii | city | Okinawa-ken | Japan | 26.8 | 128.3166667 | 3 | 23308 |
| Iinabaru | city | Okinawa-ken | Japan | 26.6 | 128.15 | 0 | 30149 |
| Iji | city | Okinawa-ken | Japan | 26.4544444 | 127.8741667 | 45 | 27045 |
| Iji | city | Okinawa-ken | Japan | 26.75 | 128.1833333 | 380 | 33282 |
| Ijina | city | Okinawa-ken | Japan | 26.9166667 | 127.9333333 | 3 | 5545 |
| Ijinabaru | city | Okinawa-ken | Japan | 26.6 | 128.15 | 0 | 30149 |
| Iju | city | Okinawa-ken | Japan | 26.2369444 | 127.7711111 | 3 | 31580 |
| Ijū | city | Okinawa-ken | Japan | 26.2369444 | 127.7711111 | 3 | 31580 |
| Ika | city | Okinawa-ken | Japan | 26.4183333 | 127.8180556 | 6 | 26908 |
| Ike | city | Okinawa-ken | Japan | 26.3844444 | 127.9902778 | 0 | 4461 |
| Ikebaru | city | Okinawa-ken | Japan | 26.3666667 | 127.8333333 | 13 | 43652 |
| Ikeharu | city | Okinawa-ken | Japan | 26.3666667 | 127.8333333 | 13 | 43652 |
| Ikei | city | Okinawa-ken | Japan | 26.3844444 | 127.9902778 | 0 | 4461 |
| Ikemasoe | city | Okinawa-ken | Japan | 24.8333333 | 125.2166667 | 0 | 11264 |
| Ikemasoye | city | Okinawa-ken | Japan | 24.8333333 | 125.2166667 | 0 | 11264 |
| Ikemi | city | Okinawa-ken | Japan | 26.3713889 | 127.9838889 | 3 | 3899 |
| Ikenosawa | city | Okinawa-ken | Japan | 25.8333333 | 131.2333333 | 144 | 8933 |
| Ikenosawa | city | Okinawa-ken | Japan | 25.95 | 131.3 | 45 | 4071 |
| Ikenosawa | city | Okinawa-ken | Japan | 25.9333333 | 131.3 | 3 | 4071 |
| Ikeshima | city | Okinawa-ken | Japan | 26.3844444 | 127.9902778 | 0 | 4461 |
| Imadomari | city | Okinawa-ken | Japan | 26.7011111 | 127.9238889 | 88 | 27033 |
| Imatomai | city | Okinawa-ken | Japan | 26.7011111 | 127.9238889 | 88 | 27033 |
| Imatomari | city | Okinawa-ken | Japan | 26.7011111 | 127.9238889 | 88 | 27033 |
| Imbu | city | Okinawa-ken | Japan | 26.5230556 | 127.9236111 | 29 | 27589 |
| Inabaru | city | Okinawa-ken | Japan | 26.6 | 128.15 | 0 | 30149 |
| Inamine | city | Okinawa-ken | Japan | 26.1563889 | 127.7347222 | 429 | 41688 |
| Inammi | city | Okinawa-ken | Japan | 26.1563889 | 127.7347222 | 429 | 41688 |
| Inasomi | city | Okinawa-ken | Japan | 26.1563889 | 127.7347222 | 429 | 41688 |
| Inbu | city | Okinawa-ken | Japan | 26.5230556 | 127.9236111 | 29 | 27589 |
| Intaya | city | Okinawa-ken | Japan | 24.4 | 123.8333333 | 324 | 26837 |
| Inubi | city | Okinawa-ken | Japan | 26.3886111 | 127.8333333 | 9 | 40292 |
| Irabu | city | Okinawa-ken | Japan | 24.8 | 125.1666667 | 0 | 10590 |
| Iramina | city | Okinawa-ken | Japan | 26.3833333 | 127.75 | 3 | 36376 |
| Irammiya | city | Okinawa-ken | Japan | 26.3833333 | 127.75 | 3 | 36376 |
| Iribaru | city | Okinawa-ken | Japan | 26.4 | 127.75 | 3 | 36376 |
| Iribarun | city | Okinawa-ken | Japan | 26.4 | 127.75 | 3 | 36376 |
| Iriemae | city | Okinawa-ken | Japan | 26.7088889 | 127.7927778 | 0 | 7366 |
| Irieue | city | Okinawa-ken | Japan | 26.7177778 | 127.7916667 | 285 | 7366 |
| Irii-mae | city | Okinawa-ken | Japan | 26.7088889 | 127.7927778 | 0 | 7366 |
| Irii-ui | city | Okinawa-ken | Japan | 26.7177778 | 127.7916667 | 285 | 7366 |
| Irizaki | city | Okinawa-ken | Japan | 26.7097222 | 127.7575 | 0 | 7076 |
| Isa | city | Okinawa-ken | Japan | 26.2833333 | 127.75 | 3 | 32244 |
| Isado | city | Okinawa-ken | Japan | 26.2716667 | 127.8011111 | 3 | 23226 |
| Isagawa | city | Okinawa-ken | Japan | 26.6047222 | 128.013889 | 757 | 39561 |
| Isashicha | city | Okinawa-ken | Japan | 26.6047222 | 128.013889 | 757 | 39561 |
| Isashikawa | city | Okinawa-ken | Japan | 26.6047222 | 128.013889 | 757 | 39561 |
| Ise | city | Okinawa-ken | Japan | 26.4544444 | 127.8741667 | 45 | 27045 |
| Ishado | city | Okinawa-ken | Japan | 26.2716667 | 127.8011111 | 3 | 23226 |
| Ishadō | city | Okinawa-ken | Japan | 26.2716667 | 127.8011111 | 3 | 23226 |
| Ishicha | city | Okinawa-ken | Japan | 26.4233333 | 127.8216667 | 3 | 26908 |
| Ishigachi | city | Okinawa-ken | Japan | 24.3333333 | 124.15 | 0 | 11452 |
| Ishigaki | city | Okinawa-ken | Japan | 24.3333333 | 124.15 | 0 | 11452 |
| Ishija | city | Okinawa-ken | Japan | 26.4233333 | 127.8216667 | 3 | 26908 |
| Ishikaha | city | Okinawa-ken | Japan | 26.6333333 | 127.8666667 | 0 | 10326 |
| Ishikawa | city | Okinawa-ken | Japan | 26.4233333 | 127.8213889 | 3 | 26908 |
| Ishikawa | city | Okinawa-ken | Japan | 26.4233333 | 127.8216667 | 3 | 26908 |
| Ishimine | city | Okinawa-ken | Japan | 26.2247222 | 127.7238889 | 154 | 36136 |
| Ishimine-kutoku | city | Okinawa-ken | Japan | 26.3833333 | 127.7666667 | 3 | 36376 |
| Ishimine-machi | city | Okinawa-ken | Japan | 26.2247222 | 127.7238889 | 154 | 36136 |
| Ishiminecho | city | Okinawa-ken | Japan | 26.2247222 | 127.7238889 | 154 | 36136 |
| Ishiminechō | city | Okinawa-ken | Japan | 26.2247222 | 127.7238889 | 154 | 36136 |
| Ishimini | city | Okinawa-ken | Japan | 26.2247222 | 127.7238889 | 154 | 36136 |
| Ishimmi | city | Okinawa-ken | Japan | 26.2247222 | 127.7238889 | 154 | 36136 |
| Ishimmi-kuruku | city | Okinawa-ken | Japan | 26.3833333 | 127.7666667 | 3 | 36376 |
| Ishin | city | Okinawa-ken | Japan | 26.2369444 | 127.7711111 | 3 | 31580 |
| Ishinmi | city | Okinawa-ken | Japan | 26.2247222 | 127.7238889 | 154 | 36136 |
| Ishisomi | city | Okinawa-ken | Japan | 26.2247222 | 127.7238889 | 154 | 36136 |
| Ishiza | city | Okinawa-ken | Japan | 26.4233333 | 127.8213889 | 3 | 26908 |
| Isigaki | city | Okinawa-ken | Japan | 24.3333333 | 124.15 | 0 | 11452 |
| Isu | city | Okinawa-ken | Japan | 26.3508333 | 127.8244444 | 3 | 43652 |
| Itarajichi | city | Okinawa-ken | Japan | 26.1908333 | 127.7675 | 3 | 34482 |
| Itarajiki | city | Okinawa-ken | Japan | 26.1908333 | 127.7675 | 3 | 34482 |
| Itarashiki | city | Okinawa-ken | Japan | 26.1908333 | 127.7675 | 3 | 34482 |
| Itarashiku | city | Okinawa-ken | Japan | 26.1908333 | 127.7675 | 3 | 34482 |
| Itarasiku | city | Okinawa-ken | Japan | 26.1908333 | 127.7675 | 3 | 34482 |
| Itokazu | city | Okinawa-ken | Japan | 26.1519444 | 127.7563889 | 462 | 29201 |
| Itoman | city | Okinawa-ken | Japan | 26.1247222 | 127.6694444 | 3 | 24681 |
| Itomi | city | Okinawa-ken | Japan | 26.6502778 | 127.9411111 | 898 | 37406 |
| Iudomari | city | Okinawa-ken | Japan | 26.6166667 | 128.2166667 | 0 | 11103 |
| Iwa | city | Okinawa-ken | Japan | 26.1561111 | 127.7197222 | 288 | 41688 |
| Iwa | city | Okinawa-ken | Japan | 26.4183333 | 127.8180556 | 6 | 26908 |
| Iyu | city | Okinawa-ken | Japan | 26.6255556 | 128.2075 | 0 | 36682 |
| Iyudomari | city | Okinawa-ken | Japan | 26.6166667 | 128.2166667 | 0 | 11103 |
| Iyutomari | city | Okinawa-ken | Japan | 26.6166667 | 128.2166667 | 0 | 11103 |
| Iyū | city | Okinawa-ken | Japan | 26.6255556 | 128.2075 | 0 | 36682 |
| Izancha | city | Okinawa-ken | Japan | 26.6047222 | 128.013889 | 757 | 39561 |
| Izashicha | city | Okinawa-ken | Japan | 26.6047222 | 128.013889 | 757 | 39561 |
| Izena | city | Okinawa-ken | Japan | 26.9166667 | 127.9333333 | 3 | 5545 |
| Izu | city | Okinawa-ken | Japan | 26.2369444 | 127.7711111 | 3 | 31580 |
| Izumi | city | Okinawa-ken | Japan | 26.6502778 | 127.9411111 | 898 | 37406 |
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