| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ioa | city | Harjumaa | Estonia | 59.46 | 25.18 | 127 | 691 |
| Ioakyula | city | Harjumaa | Estonia | 59.38 | 24.35 | 108 | 1761 |
| Ioandu | city | Laane-Virumaa | Estonia | 59.52 | 25.83 | 187 | 408 |
| Iohvi | city | Ida-Virumaa | Estonia | 59.36 | 27.42 | 183 | 22565 |
| Ionuse | city | Parnumaa | Estonia | 58.57 | 24.22 | 75 | 149 |
| Ioye | city | Raplamaa | Estonia | 58.90 | 24.62 | 147 | 447 |