| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ωλένη | city | Dytiki Ellada | Greece | 37.74 | 21.56 | 334 | 5173 |
| Ωραία | city | Dytiki Ellada | Greece | 37.86 | 21.49 | 830 | 3728 |
| Ωραίο | city | Anatoliki Makedonia kai Thraki | Greece | 41.27 | 24.83 | 1945 | 1130 |
| Ωραίον | city | Anatoliki Makedonia kai Thraki | Greece | 41.27 | 24.83 | 1945 | 1130 |
| Ωραιόκαστρο | city | Kentriki Makedonia | Greece | 40.73 | 22.92 | 830 | 71159 |
| Ωραιόκαστρο | city | Ipeiros | Greece | 39.99 | 20.55 | 1906 | 1478 |
| Ωραιόκαστρον | city | Kentriki Makedonia | Greece | 40.73 | 22.92 | 830 | 71159 |
| Ωραιόκαστρον | city | Ipeiros | Greece | 39.99 | 20.55 | 1906 | 1478 |
| Ωργιά | city | Peloponnisos | Greece | 37.36 | 22.55 | 2509 | 1945 |
| Ωρεοί | city | Sterea Ellada | Greece | 38.95 | 23.09 | 124 | 4842 |
| Ωριά | city | Peloponnisos | Greece | 37.36 | 22.55 | 2509 | 1945 |
| Ωρολόγιο | city | Sterea Ellada | Greece | 38.53 | 24.09 | 318 | 3458 |
| Ωρολόγιον | city | Sterea Ellada | Greece | 38.53 | 24.09 | 318 | 3458 |
| Ωρωπός | city | Ipeiros | Greece | 39.16 | 20.72 | 259 | 3852 |
| Ωρωπός | city | Attiki | Greece | 38.30 | 23.75 | 341 | 10467 |