| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| 서성 | city | Jeonbuk | Korea, Republic of (South) | 35.98 | 127.04 | 55 | 90428 |
| 서성 | city | Gangwon | Korea, Republic of (South) | 38.33 | 128.47 | 291 | 9689 |
| 서성골 | city | Chungbuk | Korea, Republic of (South) | 36.28 | 127.51 | 830 | 113290 |
| 서성내 | city | Hamnam | Korea, Dem. Peoples Rep. of (North) | 39.48 | 127.39 | 6 | 27905 |
| 서성동 | city | Jeju | Korea, Republic of (South) | 33.27 | 126.65 | 0 | 8903 |
| 서성동 | city | Jeju | Korea, Republic of (South) | 33.42 | 126.31 | 308 | 14317 |
| 서성동 | city | Daejeon | Korea, Republic of (South) | 36.38 | 127.52 | 830 | 135446 |
| 서성리 | city | Hamnam | Korea, Dem. Peoples Rep. of (North) | 39.67 | 127.23 | 354 | 15122 |
| 서성리 | city | Korea, Dem. Peoples Rep. of (North) | 39.57 | 125.58 | 29 | 30685 | |
| 서성리 | city | Hamnam | Korea, Dem. Peoples Rep. of (North) | 39.85 | 127.52 | 3 | 89375 |
| 서성리 | city | Jeonnam | Korea, Republic of (South) | 34.33 | 126.99 | 305 | 3789 |
| 서성리 | city | Gangwon | Korea, Republic of (South) | 38.33 | 128.47 | 291 | 9689 |