| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Irjanne | city | Satakunta | Finland | 61.23 | 21.78 | 108 | 1926 |
| Iso-Saekylae | city | Satakunta | Finland | 61.07 | 22.27 | 127 | 782 |
| Iso-Säkylä | city | Satakunta | Finland | 61.07 | 22.27 | 127 | 782 |
| Isokallio | city | Satakunta | Finland | 61.62 | 22.35 | 219 | 337 |
| Isopuoli | city | Satakunta | Finland | 61.02 | 21.67 | 111 | 1139 |
| Iudero | city | Satakunta | Finland | 61.53 | 21.67 | 16 | 11983 |