| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ubayá | city | Kentriki Makedonia | Greece | 41.25 | 23.28 | 88 | 6720 |
| Upper Drapanias | city | Kriti | Greece | 35.49 | 23.71 | 196 | 4027 |
| Upper Elounda | city | Kriti | Greece | 35.27 | 25.71 | 114 | 5201 |
| Upper Pines | city | Kriti | Greece | 35.28 | 25.71 | 830 | 4638 |
| Upper Sisi | city | Kriti | Greece | 35.30 | 25.53 | 124 | 2764 |
| Uranopoli | city | Kentriki Makedonia | Greece | 40.33 | 23.98 | 0 | 1227 |
| Uranopolis | city | Kentriki Makedonia | Greece | 40.33 | 23.98 | 0 | 1227 |
| Urisoules | city | Peloponnisos | Greece | 37.37 | 22.15 | 1669 | 2760 |
| Ususlu | city | Kentriki Makedonia | Greece | 41.10 | 22.85 | 1154 | 2338 |
| Uzlar | city | Thessalia | Greece | 39.31 | 22.72 | 830 | 2110 |
| Uzun-Koi | city | Anatoliki Makedonia kai Thraki | Greece | 41.04 | 24.62 | 830 | 2836 |
| Uzún-Alí | city | Kentriki Makedonia | Greece | 40.47 | 22.96 | 830 | 23720 |