| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Unda-ri | city | Jeonbuk | Korea, Republic of (South) | 35.82 | 127.00 | 78 | 56978 |
| Undae | city | Chungbuk | Korea, Republic of (South) | 37.14 | 127.86 | 830 | 11970 |
| Undae-ri | city | Jeonnam | Korea, Republic of (South) | 34.64 | 127.32 | 229 | 11446 |
| Undam | city | Gyeonggi | Korea, Republic of (South) | 37.70 | 127.54 | 830 | 1371 |
| Undangni | city | Chungnam | Korea, Republic of (South) | 36.70 | 127.14 | 295 | 46096 |
| Undbŏng-ni | city | Jeonnam | Korea, Republic of (South) | 34.86 | 127.13 | 830 | 6083 |
| Unden | city | Jeonnam | Korea, Republic of (South) | 34.49 | 126.67 | 98 | 8128 |
| Unden-ri | city | Jeonnam | Korea, Republic of (South) | 34.49 | 126.67 | 98 | 8128 |
| Undong | city | Jeonnam | Korea, Republic of (South) | 34.82 | 127.34 | 314 | 40911 |
| Undong | city | Jeonnam | Korea, Republic of (South) | 34.89 | 127.36 | 830 | 42427 |
| Undong-ni | city | Jeonnam | Korea, Republic of (South) | 34.86 | 127.13 | 830 | 6083 |
| Undonggol | city | Jeonnam | Korea, Republic of (South) | 35.07 | 126.90 | 830 | 292557 |
| Undu-dong | city | Gangwon | Korea, Republic of (South) | 37.72 | 128.42 | 2536 | 2007 |