| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Ugashik | city | Alaska | United States | 57.51306 | -157.3975 | 16 | 0 |
| Ukak | city | Alaska | United States | 60.7275 | -164.9325 | 652 | 5 |
| Umiat | city | Alaska | United States | 69.36694 | -152.14417 | 262 | 0 |
| Umkumiut | city | Alaska | United States | 60.49833 | -165.19889 | 0 | 2 |
| Umnak | city | Alaska | United States | 53.26667 | -168.21667 | 6 | 19 |
| Unalakleet | city | Alaska | United States | 63.87306 | -160.78806 | 3 | 3 |
| Unalaska | city | Alaska | United States | 53.87361 | -166.53667 | 98 | 478 |
| Unga | city | Alaska | United States | 55.18278 | -160.50639 | 0 | 5 |
| Ungalikthluk | city | Alaska | United States | 58.93528 | -160.14528 | 49 | 2 |
| Usibelli | city | Alaska | United States | 63.86139 | -148.78028 | 2522 | 5 |
| Uyak | city | Alaska | United States | 57.63778 | -153.99944 | 3 | 3 |
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