| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Machi | city | Okayama-ken | Japan | 34.6833333 | 133.5333333 | 1312 | 33800 |
| Machi | city | Okayama-ken | Japan | 34.6666667 | 133.65 | 308 | 33800 |
| Machi-kanda | city | Okayama-ken | Japan | 34.7833333 | 134.0166667 | 246 | 33765 |
| Makago | city | Okayama-ken | Japan | 35.25 | 133.75 | 1640 | 33113 |
| Mameda | city | Okayama-ken | Japan | 35.05 | 134.2666667 | 984 | 40654 |
| Mameta | city | Okayama-ken | Japan | 35.05 | 134.2666667 | 984 | 40654 |
| Mantomi | city | Okayama-ken | Japan | 34.75 | 134.0833333 | 328 | 33783 |
| Mikamo | city | Okayama-ken | Japan | 35.15 | 133.6166667 | 1883 | 33611 |
| Minagi | city | Okayama-ken | Japan | 34.7166667 | 133.65 | 547 | 33783 |
| Minori | city | Okayama-ken | Japan | 34.8666667 | 133.7 | 984 | 33730 |
| Mitsuishi | city | Okayama-ken | Japan | 34.8 | 134.2666667 | 524 | 47465 |
| Miyayama | city | Okayama-ken | Japan | 34.6833333 | 133.5333333 | 1312 | 33800 |
| Mizushima | city | Okayama-ken | Japan | 34.5333333 | 133.7333333 | 170 | 23885 |
| Motoura | city | Okayama-ken | Japan | 34.35 | 133.5833333 | 0 | 3557 |
| Mukai-hibi | city | Okayama-ken | Japan | 34.45 | 133.9333333 | 0 | 10136 |
| Mukohibi | city | Okayama-ken | Japan | 34.45 | 133.9333333 | 0 | 10136 |
| Muneage | city | Okayama-ken | Japan | 34.55 | 134.0166667 | 3 | 17713 |
| Mushiage | city | Okayama-ken | Japan | 34.6833333 | 134.2166667 | 3 | 18035 |
| Mushiake | city | Okayama-ken | Japan | 34.6833333 | 134.2166667 | 3 | 18035 |
| Musiake | city | Okayama-ken | Japan | 34.6833333 | 134.2166667 | 3 | 18035 |
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