| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| 외성 | city | Hamnam | Korea, Dem. Peoples Rep. of (North) | 39.68 | 127.13 | 830 | 7450 |
| 외성 | city | Chungnam | Korea, Republic of (South) | 36.86 | 126.48 | 91 | 20730 |
| 외성동 | city | Gangwon | Korea, Republic of (South) | 38.19 | 127.32 | 830 | 8089 |
| 외성산 | city | Gyeongbuk | Korea, Republic of (South) | 36.94 | 129.37 | 347 | 6184 |