| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Icdedeler | city | Sakarya Ili | Turkey | 40.4527778 | 30.5091667 | 2811 | 19352 |
| Ihsaniye | city | Sakarya Ili | Turkey | 41.1166667 | 30.6333333 | 13 | 14570 |
| Ikramiye | city | Sakarya Ili | Turkey | 40.6161111 | 30.2691667 | 2595 | 19404 |
| Ilica | city | Sakarya Ili | Turkey | 40.4561111 | 30.3886111 | 1555 | 17500 |
| Ilicakoy | city | Sakarya Ili | Turkey | 40.4561111 | 30.3886111 | 1555 | 17500 |
| Ilimbey | city | Sakarya Ili | Turkey | 40.65 | 30.3166667 | 479 | 19391 |
| Ilimli | city | Sakarya Ili | Turkey | 40.55 | 30.8166667 | 2969 | 8896 |
| Ilimye | city | Sakarya Ili | Turkey | 40.55 | 30.8166667 | 2969 | 8896 |
| Ilyaslar | city | Sakarya Ili | Turkey | 40.8166667 | 30.5 | 114 | 19342 |
| Ilıca | city | Sakarya Ili | Turkey | 40.4561111 | 30.3886111 | 1555 | 17500 |
| Ilıcaköy | city | Sakarya Ili | Turkey | 40.4561111 | 30.3886111 | 1555 | 17500 |
| Imamlar | city | Sakarya Ili | Turkey | 40.9166667 | 30.3666667 | 167 | 25802 |
| Incili | city | Sakarya Ili | Turkey | 41.1013889 | 30.6936111 | 22 | 12511 |
| Incirli | city | Sakarya Ili | Turkey | 41.1013889 | 30.6936111 | 22 | 12511 |
| Ingirse | city | Sakarya Ili | Turkey | 40.5666667 | 30.1833333 | 2952 | 19501 |
| Isabali | city | Sakarya Ili | Turkey | 40.5 | 30.0666667 | 383 | 18687 |
| Ismailefendi | city | Sakarya Ili | Turkey | 40.7833333 | 30.8 | 452 | 19308 |
| Ismailpehlivan | city | Sakarya Ili | Turkey | 40.7833333 | 30.8 | 452 | 19308 |
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