| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Mahmudiye | city | Kocaeli Ili | Turkey | 40.55 | 29.45 | 1971 | 52729 |
| Mahmudiye | city | Kocaeli Ili | Turkey | 40.7333333 | 30.0333333 | 164 | 31819 |
| Mahmudiye | city | Kocaeli Ili | Turkey | 40.6836111 | 30.2311111 | 501 | 23379 |
| Mansuriye | city | Kocaeli Ili | Turkey | 41.1683333 | 30.2297222 | 124 | 14238 |
| Masukiye | city | Kocaeli Ili | Turkey | 40.6983333 | 30.1405556 | 278 | 31063 |
| Maşukiye | city | Kocaeli Ili | Turkey | 40.6983333 | 30.1405556 | 278 | 31063 |
| Mecidiye | city | Kocaeli Ili | Turkey | 41.0544444 | 30.0963889 | 147 | 31661 |
| Mecidiye | city | Kocaeli Ili | Turkey | 40.8666667 | 30.1833333 | 603 | 31481 |
| Melemezli | city | Kocaeli Ili | Turkey | 40.9833333 | 29.7166667 | 702 | 101357 |
| Merdigoz | city | Kocaeli Ili | Turkey | 40.6047222 | 29.5638889 | 534 | 30277 |
| Merdigöz | city | Kocaeli Ili | Turkey | 40.6047222 | 29.5638889 | 534 | 30277 |
| Merkebli | city | Kocaeli Ili | Turkey | 40.85 | 29.3833333 | 377 | 31303 |
| Merkepli | city | Kocaeli Ili | Turkey | 40.85 | 29.3833333 | 377 | 31303 |
| Mesruriye | city | Kocaeli Ili | Turkey | 40.6333333 | 29.7833333 | 1568 | 29530 |
| Mollafeneri | city | Kocaeli Ili | Turkey | 40.8861111 | 29.4944444 | 659 | 31736 |
| Muallim | city | Kocaeli Ili | Turkey | 40.8 | 29.4833333 | 515 | 25047 |
| Muallimler | city | Kocaeli Ili | Turkey | 40.8 | 29.4833333 | 515 | 25047 |
| Mudarali | city | Kocaeli Ili | Turkey | 41.094444 | 29.5561111 | 246 | 185535 |
| Mudaralı | city | Kocaeli Ili | Turkey | 41.094444 | 29.5561111 | 246 | 185535 |
| Mudarli | city | Kocaeli Ili | Turkey | 41.094444 | 29.5561111 | 246 | 185535 |
| Mudarlı | city | Kocaeli Ili | Turkey | 41.094444 | 29.5561111 | 246 | 185535 |
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