| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| İbrikdere | city | Kocaeli | Turkey | 40.73 | 30.12 | 269 | 73486 |
| İcadiye | city | Kocaeli | Turkey | 40.64 | 29.80 | 964 | 59663 |
| İhsaniye | city | Kocaeli | Turkey | 40.69 | 29.83 | 311 | 57337 |
| İlimtepe | city | Kocaeli | Turkey | 40.81 | 29.78 | 1118 | 47114 |
| İnebel | city | Kocaeli | Turkey | 40.64 | 29.55 | 830 | 31409 |
| İrşadiye | city | Kocaeli | Turkey | 40.63 | 29.80 | 1669 | 55427 |