| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Kocaeli | city | Balikesir | Turkey | 39.62 | 27.51 | 921 | 3511 |
| Kocaeli | city | Tekirdag | Turkey | 40.61 | 27.00 | 298 | 2316 |
| Kocaeli | city | Kocaeli | Turkey | 40.77 | 29.92 | 0 | 54772 |
| Kocaeli Köseköy Airfield | airport | 40.76 | 30.01 | 49 | 0 | ||
| Kocaeyüp | city | Antalya | Turkey | 37.06 | 30.66 | 1059 | 15504 |