| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Sem-mal | city | Gangwon | Korea, Republic of (South) | 37.36 | 128.65 | 1774 | 2980 |
| Sema-dong | city | Gyeonggi | Korea, Republic of (South) | 37.18 | 127.03 | 213 | 236924 |
| Semak-kol | city | Chungbuk | Korea, Republic of (South) | 36.12 | 127.95 | 1669 | 4368 |
| Sembaku | city | Korea, Republic of (South) | 35.53 | 126.57 | 830 | 5382 | |
| Semgol | city | Chungnam | Korea, Republic of (South) | 36.25 | 127.21 | 830 | 17365 |
| Semirŏn | city | Gangwon | Korea, Republic of (South) | 37.13 | 128.64 | 958 | 8519 |
| Semne | city | Gangwon | Korea, Republic of (South) | 37.34 | 128.49 | 1669 | 1066 |
| Semo-gol | city | Gyeonggi | Korea, Republic of (South) | 37.54 | 127.77 | 830 | 7336 |
| Semogol | city | Daegu | Korea, Republic of (South) | 35.99 | 128.63 | 830 | 126037 |
| Semok | city | Chungnam | Korea, Republic of (South) | 36.48 | 126.40 | 3 | 5027 |
| Semosil | city | Jeonnam | Korea, Republic of (South) | 34.40 | 126.80 | 72 | 3926 |
| 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 |