| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Mabicho-kawabe | city | Okayama | Japan | 34.64 | 133.72 | 196 | 84958 |
| Mabicho-osaki | city | Okayama | Japan | 34.63 | 133.67 | 285 | 64689 |
| Mabicho-yata | city | Okayama | Japan | 34.63 | 133.69 | 246 | 80578 |
| MabichÅ-hattori | city | Okayama | Japan | 34.62 | 133.67 | 383 | 72038 |
| Machi | city | Okayama | Japan | 34.67 | 133.65 | 308 | 28612 |
| Machi | city | Okayama | Japan | 34.68 | 133.53 | 1669 | 8775 |
| Machi-kanda | city | Okayama | Japan | 34.79 | 134.01 | 242 | 31251 |
| Machikanda | city | Okayama | Japan | 34.79 | 134.01 | 242 | 31251 |
| Makago | city | Okayama | Japan | 35.25 | 133.75 | 1669 | 2799 |
| Mameda | city | Okayama | Japan | 35.05 | 134.27 | 984 | 7430 |
| Mameta | city | Okayama | Japan | 35.05 | 134.27 | 984 | 7430 |
| Mantomi | city | Okayama | Japan | 34.76 | 134.08 | 206 | 40521 |
| MatsubarachÅ-haruki | city | Okayama | Japan | 34.82 | 133.58 | 1669 | 14457 |
| Meki | city | Okayama | Japan | 35.05 | 133.55 | 1669 | 5236 |
| Mikamo | city | Okayama | Japan | 35.15 | 133.62 | 1883 | 3375 |
| Mimuro | city | Okayama | Japan | 35.05 | 133.33 | 2509 | 2316 |
| Minagi | city | Okayama | Japan | 34.72 | 133.65 | 328 | 9719 |
| Minamiyamada | city | Okayama | Japan | 34.59 | 133.60 | 328 | 53953 |
| Minori | city | Okayama | Japan | 34.87 | 133.70 | 984 | 6503 |
| Mitsu-kanagawa | city | Okayama | Japan | 34.79 | 133.93 | 318 | 23621 |
| Mitsuishi | city | Okayama | Japan | 34.80 | 134.28 | 328 | 16761 |
| Miyachi | city | Okayama | Japan | 34.98 | 133.68 | 830 | 9568 |
| Miyaji | city | Okayama | Japan | 34.98 | 133.68 | 830 | 9568 |
| Miyama | city | Okayama | Japan | 34.68 | 133.54 | 1669 | 8339 |
| Miyayama | city | Okayama | Japan | 34.68 | 133.53 | 1669 | 8775 |
| Miyayama | city | Okayama | Japan | 34.68 | 133.54 | 1669 | 8339 |
| Mizushima | city | Okayama | Japan | 34.53 | 133.74 | 187 | 132408 |
| Mizushima-nishichidoricho | city | Okayama | Japan | 34.53 | 133.74 | 187 | 132408 |
| Motoura | city | Okayama | Japan | 34.35 | 133.58 | 3 | 570 |
| Mukaihibi | city | Okayama | Japan | 34.46 | 133.93 | 13 | 28329 |
| Mukohibi | city | Okayama | Japan | 34.46 | 133.93 | 13 | 28329 |
| Muneage | city | Okayama | Japan | 34.55 | 134.01 | 0 | 36825 |
| Mushiage | city | Okayama | Japan | 34.68 | 134.21 | 45 | 21340 |
| Mushiake | city | Okayama | Japan | 34.68 | 134.21 | 45 | 21340 |
| Musiake | city | Okayama | Japan | 34.68 | 134.21 | 45 | 21340 |