| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ulfsstadhir | city | Iceland | 65.47 | -19.25 | 236 | 0 | |
| Unastadhir | city | Iceland | 65.77 | -19.18 | 869 | 16 | |
| Unastaðir | city | Iceland | 65.77 | -19.18 | 869 | 16 | |
| Uppsalir | city | Iceland | 65.47 | -19.22 | 931 | 0 | |
| Utanverdhunes | city | Iceland | 65.75 | -19.52 | 187 | 432 | |
| Utanverðunes | city | Iceland | 65.75 | -19.52 | 187 | 432 |