| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| 서계 | city | Jeonbuk | Korea, Republic of (South) | 36.00 | 127.05 | 98 | 76523 |
| 서계 | city | Chungbuk | Korea, Republic of (South) | 37.08 | 127.89 | 183 | 15720 |
| 서계양리 | city | Chungnam | Korea, Republic of (South) | 36.62 | 126.86 | 101 | 11521 |