| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Othomanikó | city | Thessalia | Greece | 39.25 | 22.19 | 830 | 1776 |
| Othomanikón | city | Thessalia | Greece | 39.25 | 22.19 | 830 | 1776 |
| Othoni | city | Ionia Nisia | Greece | 39.84 | 19.40 | 0 | 328 |
| Othonoí | city | Ionia Nisia | Greece | 39.84 | 19.40 | 0 | 328 |
| Otmanlí | city | Anatoliki Makedonia kai Thraki | Greece | 41.01 | 25.37 | 42 | 4239 |
| Oto | city | Notio Aigaio | Greece | 35.53 | 27.15 | 1669 | 2831 |
| Otzia | city | Notio Aigaio | Greece | 37.67 | 24.35 | 154 | 777 |
| Otziás | city | Notio Aigaio | Greece | 37.67 | 24.35 | 154 | 777 |