| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| 원계 | city | Gyeongbuk | Korea, Republic of (South) | 35.96 | 128.84 | 341 | 40980 |
| 원계남 | city | Gyeongnam | Korea, Republic of (South) | 35.54 | 127.84 | 830 | 6163 |
| 원계산 | city | Daejeon | Korea, Republic of (South) | 36.33 | 127.30 | 236 | 79213 |