| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Seiu | city | Jeonbuk | Korea, Republic of (South) | 35.57 | 126.86 | 118 | 112082 |
| Seiun | city | Hwangbuk | Korea, Dem. Peoples Rep. of (North) | 38.74 | 125.68 | 49 | 82682 |
| Seiun-do | city | Kangwon | Korea, Dem. Peoples Rep. of (North) | 38.25 | 126.95 | 830 | 11530 |
| Seiun-ri | city | Hwangbuk | Korea, Dem. Peoples Rep. of (North) | 38.74 | 125.68 | 49 | 82682 |