| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| On'gimi | city | Chungbuk | Korea, Republic of (South) | 37.08 | 127.94 | 314 | 24554 |
| On'go | city | Korea, Republic of (South) | 35.28 | 126.50 | 75 | 28716 | |
| On'go-ri | city | Korea, Republic of (South) | 35.28 | 126.50 | 75 | 28716 | |
| On'gogae | city | Gyeonggi | Korea, Republic of (South) | 37.78 | 127.23 | 830 | 38171 |
| On'gok-tong | city | Gyeongnam | Korea, Republic of (South) | 35.81 | 127.85 | 2509 | 4002 |
| On'gon | city | Jeonbuk | Korea, Republic of (South) | 35.82 | 127.46 | 885 | 4321 |
| On'gum-dong | city | Jeonnam | Korea, Republic of (South) | 34.78 | 126.37 | 0 | 45896 |
| On'gunemi | city | Gyeongbuk | Korea, Republic of (South) | 36.54 | 129.12 | 879 | 3126 |