| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| 서마 | city | Gyeonggi | Korea, Republic of (South) | 37.71 | 126.64 | 32 | 54423 |
| 서마동 | city | Gyeonggi | Korea, Republic of (South) | 37.71 | 126.64 | 32 | 54423 |
| 서마루 | city | Gangwon | Korea, Republic of (South) | 37.32 | 128.66 | 1217 | 2980 |
| 서마실 | city | Gyeongbuk | Korea, Republic of (South) | 36.04 | 128.79 | 387 | 8172 |