| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Meadomari | city | Okinawa-ken | Japan | 27.05 | 127.9833333 | 3 | 5856 |
| Mebarusaki | city | Hiroshima-ken | Japan | 34.2833333 | 132.9333333 | 78 | 14272 |
| Mebaruzaki | city | Hiroshima-ken | Japan | 34.2833333 | 132.9333333 | 78 | 14272 |
| Meda | city | Okinawa-ken | Japan | 26.2372222 | 127.7344444 | 121 | 36136 |
| Medeera | city | Okinawa-ken | Japan | 26.1 | 127.7 | 6 | 24681 |
| Medoko | city | Kagoshima-ken | Japan | 31.7666667 | 130.4833333 | 830 | 28550 |
| Meeda | city | Okinawa-ken | Japan | 26.435 | 127.7588889 | 3 | 22816 |
| Meezatusui | city | Okinawa-ken | Japan | 24.8333333 | 125.2166667 | 0 | 11264 |
| Mega | city | Okinawa-ken | Japan | 26.1405556 | 127.7416667 | 305 | 41688 |
| Mega | city | Hyogo-ken | Japan | 34.7833333 | 134.7 | 0 | 33875 |
| Megami | city | Nagasaki-ken | Japan | 32.7166667 | 129.85 | 0 | 30276 |
| Meganiku | city | Okinawa-ken | Japan | 26.4427778 | 127.8025 | 29 | 26908 |
| Megishima | city | Kagawa-ken | Japan | 34.3833333 | 134.05 | 0 | 12256 |
| Meguro | city | Hokkaido | Japan | 42.1333333 | 143.3166667 | 3 | 5421 |
| Meida | city | Okinawa-ken | Japan | 26.2372222 | 127.7344444 | 121 | 36136 |
| Meihama | city | Fukuoka-ken | Japan | 33.5833333 | 130.3333333 | 16 | 96476 |
| Meihamamachi | city | Fukuoka-ken | Japan | 33.5833333 | 130.3333333 | 16 | 96476 |
| Meiji | city | Hokkaido | Japan | 44.0666667 | 144.25 | 3 | 3078 |
| Meinohama | city | Fukuoka-ken | Japan | 33.5833333 | 130.3333333 | 16 | 96476 |
| Meinohamamachi | city | Fukuoka-ken | Japan | 33.5833333 | 130.3333333 | 16 | 96476 |
| Meitsu | city | Miyazaki-ken | Japan | 31.5333333 | 131.3833333 | 3 | 8653 |
| Mejiri | city | Kagoshima-ken | Japan | 31.7 | 130.5666667 | 1020 | 27603 |
| Meka | city | Okinawa-ken | Japan | 26.1405556 | 127.7416667 | 305 | 41688 |
| Meka | city | Hyogo-ken | Japan | 34.7833333 | 134.7 | 0 | 33875 |
| Mekaniku | city | Okinawa-ken | Japan | 26.4427778 | 127.8025 | 29 | 26908 |
| Memambetsu | city | Hokkaido | Japan | 43.9072222 | 144.1738889 | 65 | 7852 |
| Memu | city | Hokkaido | Japan | 42.4833333 | 143.3333333 | 141 | 8040 |
| Memuro | city | Hokkaido | Japan | 42.9066667 | 143.0505556 | 278 | 7987 |
| Memurobuto | city | Hokkaido | Japan | 42.9333333 | 143.05 | 190 | 7978 |
| Memuroputo | city | Hokkaido | Japan | 42.9333333 | 143.05 | 190 | 7978 |
| Memuroshigai | city | Hokkaido | Japan | 42.9066667 | 143.0505556 | 278 | 7987 |
| Mena | city | Hokkaido | Japan | 42.8091667 | 140.4430556 | 49 | 7995 |
| Mena | city | Aomori-ken | Japan | 41.3 | 141.2666667 | 144 | 15009 |
| Menagada | city | Akita-ken | Japan | 39.6833333 | 140.1333333 | 101 | 12080 |
| Menagata | city | Akita-ken | Japan | 39.6833333 | 140.1333333 | 101 | 12080 |
| Menagawa | city | Hokkaido | Japan | 41.7569444 | 141.0852778 | 3 | 4721 |
| Menashidomari | city | Hokkaido | Japan | 45.0333333 | 142.5166667 | 39 | 4266 |
| Menashitomari | city | Hokkaido | Japan | 45.0333333 | 142.5166667 | 39 | 4266 |
| Menuma | city | Saitama-ken | Japan | 36.2166667 | 139.3833333 | 88 | 118727 |
| Menuushiro | city | Hokkaido | Japan | 45.1080556 | 141.2730556 | 0 | 3230 |
| Menuushoro | city | Hokkaido | Japan | 45.1080556 | 141.2730556 | 0 | 3230 |
| Mera | city | Wakayama-ken | Japan | 34.1166667 | 135.1333333 | 3 | 16247 |
| Mera | city | Fukui-ken | Japan | 36.1333333 | 136.0666667 | 203 | 7608 |
| Mera | city | Shizuoka-ken | Japan | 34.65 | 138.7833333 | 328 | 18432 |
| Mera | city | Chiba-ken | Japan | 34.9166667 | 139.8166667 | 0 | 52275 |
| Merome | city | Okinawa-ken | Japan | 26.6833333 | 128.1 | 0 | 19134 |
| Mesaki | city | Aichi-ken | Japan | 34.9166667 | 137.15 | 141 | 164752 |
| Mesoguchi | city | Okinawa-ken | Japan | 26.3666667 | 127.8666667 | 3 | 28992 |
| Meta | city | Okinawa-ken | Japan | 26.435 | 127.7588889 | 3 | 22816 |
| Metabaru | city | Saga-ken | Japan | 33.3333333 | 130.4166667 | 78 | 57504 |
| Metaniku | city | Okinawa-ken | Japan | 26.4427778 | 127.8025 | 29 | 26908 |
| Meto | city | Hokkaido | Japan | 43.3833333 | 143.3333333 | 1640 | 7921 |
| Meto | city | Hokkaido | Japan | 43.2713889 | 143.4238889 | 725 | 7936 |
| Metoko | city | Kagoshima-ken | Japan | 31.7666667 | 130.4833333 | 830 | 28550 |
| Metoonsen | city | Hokkaido | Japan | 43.3833333 | 143.3333333 | 1640 | 7921 |
| Metō | city | Hokkaido | Japan | 43.3833333 | 143.3333333 | 1640 | 7921 |
| Metō | city | Hokkaido | Japan | 43.2713889 | 143.4238889 | 725 | 7936 |
| Metōonsen | city | Hokkaido | Japan | 43.3833333 | 143.3333333 | 1640 | 7921 |
| Mezado | city | Okinawa-ken | Japan | 26.1166667 | 127.6713889 | 9 | 24681 |
| Mezatu | city | Okinawa-ken | Japan | 26.1166667 | 127.6713889 | 9 | 24681 |
| Meēda | city | Okinawa-ken | Japan | 26.435 | 127.7588889 | 3 | 22816 |
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