| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Uaeha-ri | city | Korea, Republic of (South) | 34.45 | 127.52 | 830 | 3916 | |
| Uaenae-ri | city | Korea, Republic of (South) | 34.45 | 127.52 | 830 | 3916 | |
| Uam | city | Korea, Republic of (South) | 34.60 | 127.50 | 65 | 4998 | |
| Ubong | city | Korea, Republic of (South) | 34.75 | 127.02 | 830 | 7578 | |
| Udu | city | Korea, Republic of (South) | 34.45 | 127.10 | 0 | 4356 | |
| Uhojŏng | city | Korea, Republic of (South) | 35.38 | 127.45 | 830 | 22357 | |
| Uibau | city | Korea, Republic of (South) | 34.97 | 127.72 | 72 | 48765 | |
| Uisin | city | Korea, Republic of (South) | 35.28 | 127.65 | 1059 | 6354 | |
| Ukkŭm | city | Korea, Republic of (South) | 34.43 | 127.15 | 3 | 5882 | |
| Umulhan | city | Korea, Republic of (South) | 38.06 | 126.88 | 406 | 9461 | |
| Un'gi-dong | city | Korea, Republic of (South) | 35.99 | 127.02 | 49 | 87247 | |
| Un'gi-ri | city | Korea, Republic of (South) | 35.99 | 127.02 | 49 | 87247 | |
| Un'gok | city | Korea, Republic of (South) | 35.13 | 126.95 | 830 | 332617 | |
| Un'gong-ni | city | Korea, Republic of (South) | 35.13 | 126.95 | 830 | 332617 | |
| Un-dong | city | Korea, Republic of (South) | 34.95 | 127.52 | 9 | 87659 | |
| Un-dong | city | Korea, Republic of (South) | 35.05 | 126.08 | 0 | 47130 | |
| Un-ni | city | Korea, Republic of (South) | 35.12 | 126.87 | 262 | 474339 | |
| Unbong-ni | city | Korea, Republic of (South) | 35.20 | 126.48 | 203 | 15873 | |
| Ungbong-ni | city | Korea, Republic of (South) | 35.20 | 126.48 | 203 | 15873 | |
| Ungch'on-ni | city | Korea, Republic of (South) | 34.75 | 127.68 | 121 | 70846 | |
| Ungch’ŏn-ni | city | Korea, Republic of (South) | 34.75 | 127.68 | 121 | 70846 | |
| Ungni | city | Korea, Republic of (South) | 35.80 | 127.28 | 1669 | 7698 | |
| Uni | city | Korea, Republic of (South) | 35.12 | 126.87 | 262 | 474339 | |
| Uni-ri | city | Korea, Republic of (South) | 35.12 | 126.87 | 262 | 474339 | |
| Unjam-ni | city | Korea, Republic of (South) | 35.88 | 127.20 | 308 | 19599 | |
| Unsu-ri | city | Korea, Republic of (South) | 34.92 | 127.03 | 830 | 8493 | |
| Un’gok | city | Korea, Republic of (South) | 35.13 | 126.95 | 830 | 332617 | |
| Un’gong-ni | city | Korea, Republic of (South) | 35.13 | 126.95 | 830 | 332617 | |
| Upp'o | city | Korea, Republic of (South) | 34.88 | 127.72 | 285 | 19291 | |
| Uptong | city | Korea, Republic of (South) | 34.88 | 127.72 | 285 | 19291 | |
| Usan | city | Korea, Republic of (South) | 35.93 | 126.80 | 9 | 78067 | |
| Usongjong | city | Korea, Republic of (South) | 35.65 | 127.70 | 1669 | 6691 |