| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Sei-dong | city | Hambuk | Korea, Dem. Peoples Rep. of (North) | 41.21 | 129.38 | 898 | 8046 |
| Sei-ri | city | Hamnam | Korea, Dem. Peoples Rep. of (North) | 40.12 | 127.52 | 830 | 8805 |
| Sei-ri | city | Gyeongnam | Korea, Republic of (South) | 34.92 | 128.07 | 0 | 31884 |
| Sei-shinkō | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 38.57 | 125.63 | 6 | 27735 |
| Sei-shinkō-ri | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 38.57 | 125.63 | 6 | 27735 |