| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Oraiokastro | city | Nomos Ioanninon | Greece | 39.9861111 | 20.5525 | 1906 | 3693 |
| Oraiokastron | city | Nomos Ioanninon | Greece | 39.9861111 | 20.5525 | 1906 | 3693 |
| Oraiókastro | city | Nomos Ioanninon | Greece | 39.9861111 | 20.5525 | 1906 | 3693 |
| Oraiókastron | city | Nomos Ioanninon | Greece | 39.9861111 | 20.5525 | 1906 | 3693 |
| Oreino | city | Nomos Ioanninon | Greece | 39.9688889 | 20.3422222 | 1692 | 5164 |
| Oreinon | city | Nomos Ioanninon | Greece | 39.9688889 | 20.3422222 | 1692 | 5164 |
| Oreinó | city | Nomos Ioanninon | Greece | 39.9688889 | 20.3422222 | 1692 | 5164 |
| Oreinón | city | Nomos Ioanninon | Greece | 39.9688889 | 20.3422222 | 1692 | 5164 |
| Orinon | city | Nomos Ioanninon | Greece | 39.9688889 | 20.3422222 | 1692 | 5164 |
| Orinón | city | Nomos Ioanninon | Greece | 39.9688889 | 20.3422222 | 1692 | 5164 |
| Oxia | city | Nomos Ioanninon | Greece | 40.2425 | 20.8188889 | 2890 | 3681 |
| Oxiá | city | Nomos Ioanninon | Greece | 40.2425 | 20.8188889 | 2890 | 3681 |
| Oxya | city | Nomos Ioanninon | Greece | 40.2425 | 20.8188889 | 2890 | 3681 |
| Oxyá | city | Nomos Ioanninon | Greece | 40.2425 | 20.8188889 | 2890 | 3681 |
|
|