| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Una | city | Okinawa-ken | Japan | 26.2166667 | 127.7166667 | 164 | 36136 |
| Una | city | Okinawa-ken | Japan | 26.75 | 128.1833333 | 380 | 33282 |
| Unafuwa | city | Okinawa-ken | Japan | 26.2166667 | 127.7666667 | 3 | 31580 |
| Unaga | city | Okinawa-ken | Japan | 26.2375 | 127.7397222 | 104 | 36136 |
| Unaha | city | Okinawa-ken | Japan | 26.2166667 | 127.7666667 | 3 | 31580 |
| Unami | city | Shimane-ken | Japan | 35.3 | 133.2 | 1079 | 13719 |
| Unami | city | Toyama-ken | Japan | 36.9166667 | 137.0166667 | 6 | 20531 |
| Unatoo | city | Okinawa-ken | Japan | 24.7333333 | 125.3166667 | 173 | 25782 |
| Unatsuki | city | Toyama-ken | Japan | 36.8166667 | 137.5833333 | 984 | 31602 |
| Unazuki | city | Toyama-ken | Japan | 36.8166667 | 137.5833333 | 984 | 31602 |
| Une | city | Okinawa-ken | Japan | 26.35 | 126.8166667 | 3 | 15875 |
| Unebaru | city | Oita-ken | Japan | 32.9166667 | 131.7 | 485 | 24337 |
| Unebi | city | Nara-ken | Japan | 34.4833333 | 135.7833333 | 298 | 48080 |
| Unedomari | city | Okinawa-ken | Japan | 26.3386111 | 126.8027778 | 3 | 15875 |
| Unehara | city | Oita-ken | Japan | 32.9166667 | 131.7 | 485 | 24337 |
| Unehara | city | Hyogo-ken | Japan | 34.8166667 | 134.3833333 | 226 | 78350 |
| Uneharu | city | Oita-ken | Japan | 32.9166667 | 131.7 | 485 | 24337 |
| Unehi | city | Nara-ken | Japan | 34.4833333 | 135.7833333 | 298 | 48080 |
| Uni | city | Okinawa-ken | Japan | 26.35 | 126.8166667 | 3 | 15875 |
| Unjo | city | Okinawa-ken | Japan | 26.2886111 | 127.7894444 | 3 | 32244 |
| Unjō | city | Okinawa-ken | Japan | 26.2886111 | 127.7894444 | 3 | 32244 |
| Unmaku | city | Hokkaido | Japan | 43.1833333 | 143.0166667 | 1112 | 7949 |
| Unna | city | Okinawa-ken | Japan | 26.4927778 | 127.8508333 | 597 | 20454 |
| Unnai | city | Hokkaido | Japan | 45.0166667 | 142.25 | 331 | 7707 |
| Unnatoga | city | Okinawa-ken | Japan | 26.1333333 | 127.7666667 | 39 | 29201 |
| Unnatogā | city | Okinawa-ken | Japan | 26.1333333 | 127.7666667 | 39 | 29201 |
| Unnokuchi | city | Nagano-ken | Japan | 36 | 138.5 | 4002 | 19632 |
| Uno | city | Okayama-ken | Japan | 34.4833333 | 133.95 | 0 | 19654 |
| Uno | city | Hyogo-ken | Japan | 34.2333333 | 134.85 | 3 | 44221 |
| Unobaru | city | Okinawa-ken | Japan | 26.6752778 | 127.9177778 | 590 | 27033 |
| Unohama | city | Ehime-ken | Japan | 33.1333333 | 132.5 | 147 | 29161 |
| Unoke | city | Ishikawa-ken | Japan | 36.7166667 | 136.7 | 52 | 15707 |
| Unoke-shin | city | Ishikawa-ken | Japan | 36.7166667 | 136.7 | 52 | 15707 |
| Unomachi | city | Ehime-ken | Japan | 33.3666667 | 132.5166667 | 767 | 32350 |
| Unoshima | city | Fukuoka-ken | Japan | 33.6166667 | 131.1333333 | 39 | 69334 |
| Unsa | city | Okinawa-ken | Japan | 26.6 | 127.9666667 | 98 | 36408 |
| Untembaru | city | Okinawa-ken | Japan | 26.6680556 | 128.013889 | 3 | 12421 |
| Unten | city | Okinawa-ken | Japan | 26.6761111 | 127.9916667 | 3 | 22348 |
| Untenbaru | city | Okinawa-ken | Japan | 26.6680556 | 128.013889 | 3 | 12421 |
| Unyu | city | Ishikawa-ken | Japan | 37.4 | 136.85 | 288 | 15812 |
| Unyū | city | Ishikawa-ken | Japan | 37.4 | 136.85 | 288 | 15812 |
|
|