| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Cosan | city | Erzincan | Turkey | 40.02 | 40.29 | 8389 | 1866 |
| Cosandere | city | Trabzon | Turkey | 40.76 | 39.61 | 2618 | 4470 |
| Coskunlar | city | Erzurum | Turkey | 40.77 | 42.17 | 3746 | 1788 |
| Coskunlar | city | Osmaniye | Turkey | 37.28 | 36.02 | 131 | 3725 |
| Coslu | city | Usak | Turkey | 38.59 | 28.91 | 2024 | 3576 |
| Costantinopoli | city | Istanbul | Turkey | 41.01 | 28.96 | 0 | 541072 |