| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Irabu | city | Okinawa-ken | Japan | 24.8 | 125.1666667 | 0 | 10590 |
| Iragawa | city | Yamagata-ken | Japan | 38.6666667 | 139.6166667 | 347 | 3791 |
| Irago | city | Aichi-ken | Japan | 34.5833333 | 137.05 | 0 | 37222 |
| Irakawa | city | Yamagata-ken | Japan | 38.6666667 | 139.6166667 | 347 | 3791 |
| Irako | city | Aichi-ken | Japan | 34.5833333 | 137.05 | 0 | 37222 |
| 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 |
| Irie-cho | city | Nagasaki-ken | Japan | 32.7333333 | 129.8833333 | 446 | 33979 |
| Irie-chō | city | Nagasaki-ken | Japan | 32.7333333 | 129.8833333 | 446 | 33979 |
| Iriemachi | city | Nagasaki-ken | Japan | 32.7333333 | 129.8833333 | 446 | 33979 |
| Iriemae | city | Okinawa-ken | Japan | 26.7088889 | 127.7927778 | 0 | 7366 |
| Irieue | city | Okinawa-ken | Japan | 26.7177778 | 127.7916667 | 285 | 7366 |
| Irifunecho | city | Niigata-ken | Japan | 37.9166667 | 139.05 | 3 | 12173 |
| Irifunecho | city | Tokyo-to | Japan | 35.6666667 | 139.7833333 | 3 | 733224 |
| Irifunecho | city | Hokkaido | Japan | 42.9833333 | 144.3833333 | 36 | 4927 |
| Irifunechodori | city | Niigata-ken | Japan | 37.9166667 | 139.05 | 3 | 12173 |
| Irifunechō | city | Niigata-ken | Japan | 37.9166667 | 139.05 | 3 | 12173 |
| Irifunechō | city | Tokyo-to | Japan | 35.6666667 | 139.7833333 | 3 | 733224 |
| Irifunechō | city | Hokkaido | Japan | 42.9833333 | 144.3833333 | 36 | 4927 |
| Irifunechōdōri | city | Niigata-ken | Japan | 37.9166667 | 139.05 | 3 | 12173 |
| Irifunemachi | city | Toyama-ken | Japan | 36.7166667 | 137.2 | 29 | 25068 |
| Irifuno-cho | city | Toyama-ken | Japan | 36.7166667 | 137.2 | 29 | 25068 |
| Irifuno-chō | city | Toyama-ken | Japan | 36.7166667 | 137.2 | 29 | 25068 |
| Irii-mae | city | Okinawa-ken | Japan | 26.7088889 | 127.7927778 | 0 | 7366 |
| Irii-ui | city | Okinawa-ken | Japan | 26.7177778 | 127.7916667 | 285 | 7366 |
| Irika | city | Hokkaido | Japan | 43.3583333 | 140.4741667 | 324 | 3811 |
| Iriki | city | Kagoshima-ken | Japan | 31.8 | 130.4333333 | 285 | 28537 |
| Irimi | city | Yamaguchi-ken | Japan | 34.2166667 | 131.2333333 | 800 | 31144 |
| Irino | city | Kochi-ken | Japan | 33.0166667 | 133 | 45 | 9792 |
| Irioichi | city | Hiroshima-ken | Japan | 34.6333333 | 132.6333333 | 892 | 41088 |
| Iritono | city | Fukushima-ken | Japan | 37.0333333 | 140.7166667 | 593 | 18715 |
| Iriyamase | city | Shizuoka-ken | Japan | 35.1833333 | 138.65 | 209 | 55445 |
| Iriyamaze | city | Shizuoka-ken | Japan | 35.1833333 | 138.65 | 209 | 55445 |
| Irizaki | city | Okinawa-ken | Japan | 26.7097222 | 127.7575 | 0 | 7076 |
| Irogahama | city | Fukui-ken | Japan | 35.7166667 | 136.0333333 | 3 | 10193 |
| Irohama | city | Fukui-ken | Japan | 35.7166667 | 136.0333333 | 3 | 10193 |
| Iroma | city | Miyagi-ken | Japan | 38.2005556 | 140.9552778 | 3 | 29642 |
| Irori | city | Oita-ken | Japan | 32.8833333 | 131.9833333 | 656 | 14912 |
| Irugi | city | Kochi-ken | Japan | 33.4166667 | 134.2166667 | 3 | 8669 |
| Iruki | city | Kochi-ken | Japan | 33.4166667 | 134.2166667 | 3 | 8669 |
| Iruma | city | Shizuoka-ken | Japan | 34.6166667 | 138.8 | 0 | 16596 |
| Irumagawa | city | Saitama-ken | Japan | 35.8241667 | 139.3763889 | 351 | 307340 |
| Irumagawa | city | Saitama-ken | Japan | 35.8525 | 139.4166667 | 252 | 216773 |
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