| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Iŏ | city | Gyeongnam | Korea, Republic of (South) | 34.86 | 127.89 | 62 | 13378 |
| Iŏ-dong | city | Hwangbuk | Korea, Dem. Peoples Rep. of (North) | 38.30 | 126.27 | 830 | 20276 |
| Iŏ-ri | city | Korea, Republic of (South) | 34.87 | 127.90 | 0 | 10795 | |
| Iŏm-ni | city | Hambuk | Korea, Dem. Peoples Rep. of (North) | 41.31 | 129.63 | 141 | 5523 |
| Iŏn | city | Gyeongbuk | Korea, Republic of (South) | 35.94 | 128.49 | 216 | 81556 |