| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Idães | city | Porto | Portugal | 41.34 | -8.25 | 935 | 48131 |
| Infesta | city | Porto | Portugal | 41.23 | -8.04 | 1948 | 16136 |
| Infesta | city | Porto | Portugal | 41.20 | -8.60 | 370 | 359772 |
| Ingilde | city | Porto | Portugal | 41.15 | -8.05 | 1669 | 13582 |
| Irivio de São Vicente | city | Porto | Portugal | 41.18 | -8.33 | 830 | 52914 |
| Irivo | city | Porto | Portugal | 41.18 | -8.33 | 830 | 52914 |