| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Uam | city | | Korea, Republic of (South) | 34.6 | 127.5 | 65 | 6069 |
| Ubong | city | | Korea, Republic of (South) | 34.75 | 127.0166667 | 702 | 21375 |
| Uch'on-ni | city | | Korea, Republic of (South) | 34.8 | 127.2333333 | 9 | 20730 |
| Uch'ŏn-ni | city | | Korea, Republic of (South) | 34.8 | 127.2333333 | 9 | 20730 |
| Udo | city | | Korea, Republic of (South) | 34.7166667 | 127.3166667 | 0 | 13726 |
| Udu | city | | Korea, Republic of (South) | 34.45 | 127.1 | 0 | 6753 |
| Uhojong | city | | Korea, Republic of (South) | 35.3833333 | 127.45 | 830 | 28341 |
| Uhojŏng | city | | Korea, Republic of (South) | 35.3833333 | 127.45 | 830 | 28341 |
| Uiam-ni | city | | Korea, Republic of (South) | 35.5166667 | 127.6333333 | 1614 | 34807 |
| Uiam-ni | city | | Korea, Republic of (South) | 34.9666667 | 127.7166667 | 72 | 18371 |
| Uibau | city | | Korea, Republic of (South) | 34.9666667 | 127.7166667 | 72 | 18371 |
| Uiji-ri | city | | Korea, Republic of (South) | 35.5166667 | 127.6333333 | 1614 | 34807 |
| Uisin | city | | Korea, Republic of (South) | 35.2833333 | 127.65 | 1059 | 36032 |
| Ukkum | city | | Korea, Republic of (South) | 34.4333333 | 127.15 | 3 | 8342 |
| Ukkŭm | city | | Korea, Republic of (South) | 34.4333333 | 127.15 | 3 | 8342 |
| Ullim | city | | Korea, Republic of (South) | 34.8 | 127.2833333 | 505 | 21042 |
| Ullim-ni | city | | Korea, Republic of (South) | 34.8 | 127.2833333 | 505 | 21042 |
| Ullyong-ni | city | | Korea, Republic of (South) | 34.95 | 127.45 | 259 | 21322 |
| Ullyŏng-ni | city | | Korea, Republic of (South) | 34.95 | 127.45 | 259 | 21322 |
| Umnae-ri | city | | Korea, Republic of (South) | 35.9852778 | 126.8522222 | 91 | 28130 |
| Un'gok | city | | Korea, Republic of (South) | 35.1333333 | 126.95 | 469 | 430419 |
| Un'gok | city | | Korea, Republic of (South) | 34.8333333 | 127.1 | 708 | 21354 |
| Un'gok | city | | Korea, Republic of (South) | 34.9333333 | 127.4 | 396 | 21322 |
| Un'gong-ni | city | | Korea, Republic of (South) | 35.1333333 | 126.95 | 469 | 430419 |
| Un'gong-ni | city | | Korea, Republic of (South) | 34.9333333 | 127.4 | 396 | 21322 |
| Un'gyo-ri | city | | Korea, Republic of (South) | 34.75 | 127.3333333 | 85 | 13726 |
| Un-dong | city | | Korea, Republic of (South) | 35.05 | 126.0833333 | 0 | 5933 |
| Un-dong | city | | Korea, Republic of (South) | 34.65 | 127.3166667 | 203 | 18143 |
| Un-dong | city | | Korea, Republic of (South) | 34.95 | 127.5166667 | 9 | 20774 |
| Un-ni | city | | Korea, Republic of (South) | 35.1166667 | 126.8666667 | 262 | 30334 |
| Unch'on | city | | Korea, Republic of (South) | 35.75 | 127.4166667 | 1115 | 28224 |
| Unch'on-ni | city | | Korea, Republic of (South) | 35.75 | 127.4166667 | 1115 | 28224 |
| Undbong-ni | city | | Korea, Republic of (South) | 34.85 | 127.1333333 | 485 | 21344 |
| Undbŏng-ni | city | | Korea, Republic of (South) | 34.85 | 127.1333333 | 485 | 21344 |
| Undong-ni | city | | Korea, Republic of (South) | 34.85 | 127.1333333 | 485 | 21344 |
| Ungch'on-ni | city | | Korea, Republic of (South) | 34.75 | 127.6833333 | 121 | 12020 |
| Ungch'ŏn-ni | city | | Korea, Republic of (South) | 34.75 | 127.6833333 | 121 | 12020 |
| Ungni | city | | Korea, Republic of (South) | 35.8 | 127.2833333 | 1571 | 28196 |
| Ungnyong | city | | Korea, Republic of (South) | 34.95 | 127.45 | 259 | 21322 |
| Ungnyong-ni | city | | Korea, Republic of (South) | 34.95 | 127.45 | 259 | 21322 |
| Ungnyŏng-ni | city | | Korea, Republic of (South) | 34.95 | 127.45 | 259 | 21322 |
| Uni | city | | Korea, Republic of (South) | 35.1166667 | 126.8666667 | 262 | 30334 |
| Uni-ri | city | | Korea, Republic of (South) | 35.1166667 | 126.8666667 | 262 | 30334 |
| Unjam-ni | city | | Korea, Republic of (South) | 35.8833333 | 127.2 | 308 | 28168 |
| Unjong-ni | city | | Korea, Republic of (South) | 35.2333333 | 126.95 | 187 | 718501 |
| Unjŏng-ni | city | | Korea, Republic of (South) | 35.2333333 | 126.95 | 187 | 718501 |
| Unnam-ni | city | | Korea, Republic of (South) | 35.1666667 | 126.8333333 | 29 | 213108 |
| Unnim | city | | Korea, Republic of (South) | 34.8 | 127.2833333 | 505 | 21042 |
| Unp'yong | city | | Korea, Republic of (South) | 35.15 | 126.7333333 | 442 | 21267 |
| Unp'yŏng | city | | Korea, Republic of (South) | 35.15 | 126.7333333 | 442 | 21267 |
| Unsan | city | | Korea, Republic of (South) | 35 | 127.0333333 | 1295 | 21309 |
| Unsu-ri | city | | Korea, Republic of (South) | 34.9166667 | 127.0333333 | 442 | 21322 |
| Up-tong | city | | Korea, Republic of (South) | 34.8333333 | 127.7333333 | 65 | 14703 |
| Upp'o | city | | Korea, Republic of (South) | 34.8833333 | 127.7166667 | 285 | 6227 |
| Uppam | city | | Korea, Republic of (South) | 34.8666667 | 127.2 | 862 | 21344 |
| Uptong | city | | Korea, Republic of (South) | 34.8833333 | 127.7166667 | 285 | 6227 |
| Usan | city | | Korea, Republic of (South) | 35.9333333 | 126.8 | 9 | 26041 |
| Usan-ni | city | | Korea, Republic of (South) | 35.15 | 126.8166667 | 39 | 70399 |
| Usan-ni | city | | Korea, Republic of (South) | 34.75 | 127.0833333 | 534 | 21065 |
| Usan-ni | city | | Korea, Republic of (South) | 34.5333333 | 127.4166667 | 3 | 8686 |
| Usan-ni | city | | Korea, Republic of (South) | 34.8833333 | 127.4833333 | 6 | 18700 |
| Usongjong | city | | Korea, Republic of (South) | 35.65 | 127.7 | 1292 | 36973 |
| Usongjŏng | city | | Korea, Republic of (South) | 35.65 | 127.7 | 1292 | 36973 |