| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ioaa | city | Ipeiros | Greece | 39.66 | 20.85 | 1669 | 72027 |
| Ioannina | city | Ipeiros | Greece | 39.66 | 20.85 | 1669 | 72027 |
| Iolcus | city | Thessalia | Greece | 39.37 | 22.94 | 170 | 87838 |
| Ioniko | city | Anatoliki Makedonia kai Thraki | Greece | 41.24 | 24.63 | 830 | 9 |
| Ionikon | city | Anatoliki Makedonia kai Thraki | Greece | 41.24 | 24.63 | 830 | 9 |
| Ioulida | city | Notio Aigaio | Greece | 37.63 | 24.35 | 1246 | 1244 |
| Ioánina | city | Ipeiros | Greece | 39.66 | 20.85 | 1669 | 72027 |