| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ioa | city | Harjumaa | Estonia | 59.46 | 25.18 | 127 | 691 |
| Ioaa | city | Ipeiros | Greece | 39.66 | 20.85 | 1669 | 72027 |
| Ioakim Gruevo | city | Plovdiv | Bulgaria | 42.12 | 24.57 | 830 | 16710 |
| Ioakim-Gruewo | city | Plovdiv | Bulgaria | 42.12 | 24.57 | 830 | 16710 |
| Ioakyula | city | Harjumaa | Estonia | 59.38 | 24.35 | 108 | 1761 |
| Ioan Corvin | city | Constanta | Romania | 44.12 | 27.80 | 173 | 2028 |
| Ioan-Lahovary | city | Ilfov | Romania | 44.63 | 26.10 | 272 | 9806 |
| Ioandu | city | Laane-Virumaa | Estonia | 59.52 | 25.83 | 187 | 408 |
| Ioanicesti | city | Arges | Romania | 45.07 | 24.52 | 1167 | 4983 |
| Ioaniş | city | Bihor | Romania | 46.67 | 22.28 | 830 | 7017 |
| Ioannesburgum | city | Gauteng | South Africa | -26.21 | 28.05 | 5869 | 334922 |
| Ioannevilla | city | Santa Catarina | Brazil | -26.30 | -48.83 | 406 | 130011 |
| Ioannina | city | Ipeiros | Greece | 39.66 | 20.85 | 1669 | 72027 |
| Ioannopol | city | Kostromskaya Oblast' | Russia | 58.01 | 42.68 | 830 | 307 |
| Ioannopol' | city | Kostromskaya Oblast' | Russia | 58.01 | 42.68 | 830 | 307 |
| Ioannopol’ | city | Kostromskaya Oblast' | Russia | 58.01 | 42.68 | 830 | 307 |
| Ioau-Marir | city | Marrakech-Tensift-Al Haouz | Morocco | 30.97 | -9.71 | 1223 | 7710 |