| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Seosadong | city | Gyeongbuk | Korea, Republic of (South) | 35.92 | 128.81 | 219 | 96968 |
| Seosaeng | city | Ulsan | Korea, Republic of (South) | 35.38 | 129.34 | 3 | 32125 |
| Seosan | city | Chungnam | Korea, Republic of (South) | 36.78 | 126.45 | 62 | 58453 |
| Seosan City | city | Chungnam | Korea, Republic of (South) | 36.78 | 126.45 | 62 | 58453 |
| Seosang | city | Jeju | Korea, Republic of (South) | 33.27 | 126.60 | 357 | 18842 |
| Seosang | city | Chungbuk | Korea, Republic of (South) | 36.72 | 127.46 | 95 | 32243 |
| Seosangdong | city | Jeju | Korea, Republic of (South) | 33.44 | 126.31 | 177 | 9403 |
| Seosangdong | city | Jeju | Korea, Republic of (South) | 33.43 | 126.33 | 374 | 13049 |
| Seosangdong | city | Jeju | Korea, Republic of (South) | 33.22 | 126.25 | 16 | 6167 |
| Seosangdong | city | Jeju | Korea, Republic of (South) | 33.22 | 126.26 | 45 | 6167 |
| Seoseok | city | Gangwon | Korea, Republic of (South) | 37.71 | 128.19 | 1026 | 2533 |
| Seoseongdong | city | Jeju | Korea, Republic of (South) | 33.27 | 126.65 | 0 | 8903 |
| Seoseongdong | city | Jeju | Korea, Republic of (South) | 33.42 | 126.31 | 308 | 14317 |
| Seoseongdong | city | Daejeon | Korea, Republic of (South) | 36.38 | 127.52 | 830 | 135446 |
| Seoseonggol | city | Chungbuk | Korea, Republic of (South) | 36.28 | 127.51 | 830 | 113290 |
| Seoseongni | city | Gangwon | Korea, Republic of (South) | 38.33 | 128.47 | 291 | 9689 |
| Seoseori | city | Gyeonggi | Korea, Republic of (South) | 37.24 | 126.71 | 88 | 4675 |
| Seosi 2 gu | city | Gyeonggi | Korea, Republic of (South) | 37.76 | 126.64 | 137 | 31238 |
| Seosiigu | city | Gyeonggi | Korea, Republic of (South) | 37.76 | 126.64 | 137 | 31238 |
| Seosiilgu | city | Gyeonggi | Korea, Republic of (South) | 37.76 | 126.64 | 88 | 29685 |
| Seosil | city | Chungbuk | Korea, Republic of (South) | 36.65 | 127.64 | 885 | 8477 |
| Seosiri | city | Gyeonggi | Korea, Republic of (South) | 37.19 | 127.60 | 377 | 17660 |
| Seosodong | city | Jeju | Korea, Republic of (South) | 33.28 | 126.73 | 3 | 7321 |