| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| 당후동 | city | Incheon | Korea, Republic of (South) | 37.96 | 124.67 | 22 | 10265 |
| 당후동 | city | Chungnam | Korea, Republic of (South) | 36.73 | 126.86 | 232 | 55721 |
| 당후리 | city | Chungnam | Korea, Republic of (South) | 36.89 | 127.05 | 59 | 29405 |