| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Sema-dong | city | Gyeonggi | Korea, Republic of (South) | 37.18 | 127.03 | 213 | 236924 |
| Semo-gol | city | Gyeonggi | Korea, Republic of (South) | 37.54 | 127.77 | 830 | 7336 |
| Semtteul | city | Gyeonggi | Korea, Republic of (South) | 37.47 | 127.52 | 124 | 10123 |
| Semttŭl | city | Gyeonggi | Korea, Republic of (South) | 37.47 | 127.52 | 124 | 10123 |