| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Sekijō | city | Gyeonggi | Korea, Republic of (South) | 37.97 | 126.93 | 269 | 8180 |
| Sekikoku-ri | city | Gyeonggi | Korea, Republic of (South) | 37.44 | 127.75 | 830 | 9374 |
| Sekkoku | city | Gyeonggi | Korea, Republic of (South) | 37.44 | 127.75 | 830 | 9374 |