| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Maaebul | city | Incheon | Korea, Republic of (South) | 37.69 | 126.32 | 830 | 1250 |
| Madanggae | city | Incheon | Korea, Republic of (South) | 37.51 | 126.55 | 134 | 9533 |
| Madangpo | city | Incheon | Korea, Republic of (South) | 37.51 | 126.55 | 134 | 9533 |
| Maebaji | city | Incheon | Korea, Republic of (South) | 37.78 | 126.28 | 29 | 962 |
| Maebal | city | Incheon | Korea, Republic of (South) | 37.59 | 126.71 | 72 | 344220 |
| Maejaei | city | Incheon | Korea, Republic of (South) | 37.71 | 126.45 | 72 | 9085 |
| Magamyo | city | Incheon | Korea, Republic of (South) | 37.54 | 126.76 | 29 | 956141 |
| Mageungol | city | Incheon | Korea, Republic of (South) | 37.64 | 126.41 | 59 | 4247 |
| Magwinae | city | Incheon | Korea, Republic of (South) | 37.65 | 126.49 | 36 | 22845 |
| Majeon-dong | city | Incheon | Korea, Republic of (South) | 37.60 | 126.67 | 121 | 229368 |
| Majŏl-li | city | Incheon | Korea, Republic of (South) | 37.60 | 126.67 | 121 | 229368 |
| Makgae | city | Incheon | Korea, Republic of (South) | 37.76 | 126.22 | 29 | 874 |
| Makkae | city | Incheon | Korea, Republic of (South) | 37.76 | 126.22 | 29 | 874 |
| Maldo | city | Incheon | Korea, Republic of (South) | 37.69 | 126.13 | 0 | 476 |
| Maldori | city | Incheon | Korea, Republic of (South) | 37.69 | 126.13 | 0 | 476 |
| Malmeori | city | Incheon | Korea, Republic of (South) | 37.77 | 126.46 | 91 | 7683 |
| Malmi | city | Incheon | Korea, Republic of (South) | 37.81 | 126.41 | 311 | 6901 |
| Malmori | city | Incheon | Korea, Republic of (South) | 37.77 | 126.46 | 91 | 7683 |
| Malmoru | city | Incheon | Korea, Republic of (South) | 37.80 | 126.40 | 187 | 5724 |
| Malt'anp'o | city | Incheon | Korea, Republic of (South) | 37.77 | 126.21 | 0 | 2401 |
| Maltanpo | city | Incheon | Korea, Republic of (South) | 37.77 | 126.21 | 0 | 2401 |
| Malto-ri | city | Incheon | Korea, Republic of (South) | 37.69 | 126.13 | 0 | 476 |
| Malt’anp’o | city | Incheon | Korea, Republic of (South) | 37.77 | 126.21 | 0 | 2401 |
| Mang-gol | city | Incheon | Korea, Republic of (South) | 37.62 | 126.69 | 88 | 199363 |
| Marigul | city | Incheon | Korea, Republic of (South) | 37.57 | 126.74 | 111 | 525552 |
| Marumul | city | Incheon | Korea, Republic of (South) | 37.49 | 126.53 | 16 | 8396 |
| Masan | city | Incheon | Korea, Republic of (South) | 37.61 | 126.68 | 55 | 210243 |
| Masan | city | Incheon | Korea, Republic of (South) | 37.76 | 126.23 | 3 | 641 |
| Masan-ni | city | Incheon | Korea, Republic of (South) | 37.64 | 126.64 | 118 | 124287 |
| Masiran | city | Incheon | Korea, Republic of (South) | 37.44 | 126.42 | 78 | 1958 |
| Masong-ni | city | Incheon | Korea, Republic of (South) | 37.68 | 126.60 | 32 | 65514 |
| Medurei | city | Incheon | Korea, Republic of (South) | 37.55 | 126.33 | 0 | 1720 |
| Meokjeol | city | Incheon | Korea, Republic of (South) | 37.74 | 126.51 | 22 | 44336 |
| Meorimoe | city | Incheon | Korea, Republic of (South) | 37.76 | 126.24 | 3 | 786 |
| Mibeop-ri | city | Incheon | Korea, Republic of (South) | 37.73 | 126.27 | 0 | 684 |
| Mibom-ni | city | Incheon | Korea, Republic of (South) | 37.73 | 126.27 | 0 | 684 |
| Mikkuji | city | Incheon | Korea, Republic of (South) | 37.74 | 126.38 | 45 | 6320 |
| Milt'anp'o | city | Incheon | Korea, Republic of (South) | 37.77 | 126.21 | 0 | 2401 |
| Milt’anp’o | city | Incheon | Korea, Republic of (South) | 37.77 | 126.21 | 0 | 2401 |
| Minanho | city | Incheon | Korea, Republic of (South) | 37.77 | 126.21 | 0 | 2401 |
| Minbeop | city | Incheon | Korea, Republic of (South) | 37.73 | 126.27 | 0 | 684 |
| Minbŏp | city | Incheon | Korea, Republic of (South) | 37.73 | 126.27 | 0 | 684 |
| Minmeoru | city | Incheon | Korea, Republic of (South) | 37.65 | 126.33 | 0 | 603 |
| Minmoru | city | Incheon | Korea, Republic of (South) | 37.65 | 126.33 | 0 | 603 |
| Miruji | city | Incheon | Korea, Republic of (South) | 37.60 | 126.41 | 59 | 2362 |
| Modo-ri | city | Incheon | Korea, Republic of (South) | 37.53 | 126.41 | 0 | 2724 |
| Mokchi | city | Incheon | Korea, Republic of (South) | 37.61 | 126.70 | 187 | 227893 |
| Mokkae | city | Incheon | Korea, Republic of (South) | 37.45 | 126.38 | 91 | 1368 |
| Moksang-dong | city | Incheon | Korea, Republic of (South) | 37.57 | 126.71 | 364 | 487559 |
| Moksangdong | city | Incheon | Korea, Republic of (South) | 37.57 | 126.71 | 364 | 487559 |
| Moksukch'on | city | Incheon | Korea, Republic of (South) | 37.77 | 126.44 | 232 | 8084 |
| Moksukch’ŏn | city | Incheon | Korea, Republic of (South) | 37.77 | 126.44 | 232 | 8084 |
| Mosan | city | Incheon | Korea, Republic of (South) | 37.65 | 126.65 | 134 | 100275 |
| Motgae | city | Incheon | Korea, Republic of (South) | 37.45 | 126.38 | 91 | 1368 |
| Much'unae | city | Incheon | Korea, Republic of (South) | 37.62 | 126.48 | 334 | 5680 |
| Muchunae | city | Incheon | Korea, Republic of (South) | 37.62 | 126.48 | 334 | 5680 |
| Much’unae | city | Incheon | Korea, Republic of (South) | 37.62 | 126.48 | 334 | 5680 |
| Muhak | city | Incheon | Korea, Republic of (South) | 37.79 | 126.23 | 29 | 2206 |
| Muhang-ni | city | Incheon | Korea, Republic of (South) | 37.79 | 126.23 | 29 | 2206 |
| Muji-ri | city | Incheon | Korea, Republic of (South) | 37.79 | 126.27 | 29 | 1540 |
| Mujini | city | Incheon | Korea, Republic of (South) | 37.79 | 126.27 | 29 | 1540 |
| Mukgok | city | Incheon | Korea, Republic of (South) | 37.81 | 126.40 | 62 | 6078 |
| Muksuk-ch'on | city | Incheon | Korea, Republic of (South) | 37.77 | 126.44 | 232 | 8084 |
| Muksuk-ch’on | city | Incheon | Korea, Republic of (South) | 37.77 | 126.44 | 232 | 8084 |
| Muksukch'on | city | Incheon | Korea, Republic of (South) | 37.77 | 126.44 | 232 | 8084 |
| Muksukchon | city | Incheon | Korea, Republic of (South) | 37.77 | 126.44 | 232 | 8084 |
| Muksukch’ŏn | city | Incheon | Korea, Republic of (South) | 37.77 | 126.44 | 232 | 8084 |
| Mun'gam-ni | city | Incheon | Korea, Republic of (South) | 37.17 | 126.11 | 3 | 673 |
| Mun'gok | city | Incheon | Korea, Republic of (South) | 37.63 | 126.43 | 190 | 5831 |
| Munch'omdo | city | Incheon | Korea, Republic of (South) | 37.53 | 126.62 | 0 | 124591 |
| Munch’ŏmdo | city | Incheon | Korea, Republic of (South) | 37.53 | 126.62 | 0 | 124591 |
| Mungap-ri | city | Incheon | Korea, Republic of (South) | 37.17 | 126.11 | 3 | 673 |
| Mungok | city | Incheon | Korea, Republic of (South) | 37.63 | 126.43 | 190 | 5831 |
| Munhyeon | city | Incheon | Korea, Republic of (South) | 37.66 | 126.47 | 55 | 8867 |
| Munhyeon | city | Incheon | Korea, Republic of (South) | 37.63 | 126.42 | 272 | 5367 |
| Munhyon | city | Incheon | Korea, Republic of (South) | 37.60 | 126.67 | 121 | 231761 |
| Munhyon | city | Incheon | Korea, Republic of (South) | 37.66 | 126.47 | 55 | 8867 |
| Munhyon | city | Incheon | Korea, Republic of (South) | 37.63 | 126.42 | 272 | 5367 |
| Mun’gam-ni | city | Incheon | Korea, Republic of (South) | 37.17 | 126.11 | 3 | 673 |
| Mun’gok | city | Incheon | Korea, Republic of (South) | 37.63 | 126.43 | 190 | 5831 |
| Mururi | city | Incheon | Korea, Republic of (South) | 37.71 | 126.48 | 26 | 18845 |
| Musul | city | Incheon | Korea, Republic of (South) | 37.79 | 126.31 | 32 | 684 |
| Myongdo | city | Incheon | Korea, Republic of (South) | 37.60 | 126.61 | 42 | 88162 |
| Mŏkchŏl | city | Incheon | Korea, Republic of (South) | 37.74 | 126.51 | 22 | 44336 |
| Mŏrimoe | city | Incheon | Korea, Republic of (South) | 37.76 | 126.24 | 3 | 786 |