| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Macheon-dong | city | Seoul | Korea, Republic of (South) | 37.50 | 127.16 | 318 | 1199399 |
| Macheondong | city | Seoul | Korea, Republic of (South) | 37.50 | 127.16 | 318 | 1199399 |
| Magojong | city | Seoul | Korea, Republic of (South) | 37.63 | 126.92 | 203 | 702135 |
| Magok-dong | city | Seoul | Korea, Republic of (South) | 37.57 | 126.83 | 39 | 788826 |
| Magok-tong | city | Seoul | Korea, Republic of (South) | 37.57 | 126.83 | 39 | 788826 |
| Magokdong | city | Seoul | Korea, Republic of (South) | 37.57 | 126.83 | 39 | 788826 |
| Mahochō | city | Seoul | Korea, Republic of (South) | 37.53 | 126.95 | 55 | 1667185 |
| Mahodo | city | Seoul | Korea, Republic of (South) | 37.53 | 126.95 | 55 | 1667185 |
| Majaeegŏ-ri | city | Seoul | Korea, Republic of (South) | 37.48 | 127.03 | 72 | 1080475 |
| Majukkŏ-ri | city | Seoul | Korea, Republic of (South) | 37.48 | 127.03 | 72 | 1080475 |
| Maljukko-ri | city | Seoul | Korea, Republic of (South) | 37.48 | 127.03 | 72 | 1080475 |
| Mang-u-dong | city | Seoul | Korea, Republic of (South) | 37.60 | 127.11 | 830 | 1411361 |
| Manggol | city | Seoul | Korea, Republic of (South) | 37.47 | 127.10 | 75 | 1443312 |
| Mangu | city | Seoul | Korea, Republic of (South) | 37.60 | 127.11 | 830 | 1411361 |
| Mangu-ri | city | Seoul | Korea, Republic of (South) | 37.60 | 127.11 | 830 | 1411361 |
| Mangudong | city | Seoul | Korea, Republic of (South) | 37.60 | 127.11 | 830 | 1411361 |
| Mangwon-dong | city | Seoul | Korea, Republic of (South) | 37.55 | 126.91 | 59 | 1512848 |
| Mangwondong | city | Seoul | Korea, Republic of (South) | 37.55 | 126.91 | 59 | 1512848 |
| Mangwu | city | Seoul | Korea, Republic of (South) | 37.60 | 127.11 | 830 | 1411361 |
| Mangwŏl-chŏng | city | Seoul | Korea, Republic of (South) | 37.55 | 126.91 | 59 | 1512848 |
| Map'o | city | Seoul | Korea, Republic of (South) | 37.53 | 126.95 | 55 | 1667185 |
| Map'o-dong | city | Seoul | Korea, Republic of (South) | 37.53 | 126.95 | 55 | 1667185 |
| Map'o-jong | city | Seoul | Korea, Republic of (South) | 37.53 | 126.95 | 55 | 1667185 |
| Map’o | city | Seoul | Korea, Republic of (South) | 37.53 | 126.95 | 55 | 1667185 |
| Map’o-dong | city | Seoul | Korea, Republic of (South) | 37.53 | 126.95 | 55 | 1667185 |
| Map’o-jŏng | city | Seoul | Korea, Republic of (South) | 37.53 | 126.95 | 55 | 1667185 |
| Mogamdong | city | Seoul | Korea, Republic of (South) | 33.48 | 126.38 | 164 | 10532 |
| Mojin-dong | city | Seoul | Korea, Republic of (South) | 37.54 | 127.08 | 82 | 1840479 |
| Mojindong | city | Seoul | Korea, Republic of (South) | 37.54 | 127.08 | 82 | 1840479 |
| Mok-kol | city | Seoul | Korea, Republic of (South) | 37.47 | 127.10 | 91 | 1449870 |
| Mok-tong | city | Seoul | Korea, Republic of (South) | 37.53 | 126.87 | 39 | 1530340 |
| Mokdong | city | Seoul | Korea, Republic of (South) | 37.53 | 126.87 | 39 | 1530340 |
| Motcha-ri | city | Seoul | Korea, Republic of (South) | 37.64 | 126.93 | 278 | 563696 |
| Motgol | city | Seoul | Korea, Republic of (South) | 37.47 | 127.10 | 91 | 1449870 |
| Mugyo-dong | city | Seoul | Korea, Republic of (South) | 37.57 | 126.97 | 147 | 1403869 |
| Muk-tong | city | Seoul | Korea, Republic of (South) | 37.61 | 127.08 | 134 | 1829843 |
| Mukdong | city | Seoul | Korea, Republic of (South) | 37.61 | 127.08 | 134 | 1829843 |
| Munjeong-dong | city | Seoul | Korea, Republic of (South) | 37.49 | 127.13 | 91 | 1440020 |
| Munjeongdong | city | Seoul | Korea, Republic of (South) | 37.49 | 127.13 | 91 | 1440020 |
| Musugol | city | Seoul | Korea, Republic of (South) | 37.68 | 127.02 | 252 | 816671 |
| Myeong-il-dong | city | Seoul | Korea, Republic of (South) | 37.55 | 127.14 | 78 | 1275179 |
| Myeongnyundong | city | Seoul | Korea, Republic of (South) | 37.59 | 126.99 | 213 | 1356298 |
| Myeongryun | city | Seoul | Korea, Republic of (South) | 37.59 | 126.99 | 213 | 1356298 |
| Myeonmog | city | Seoul | Korea, Republic of (South) | 37.58 | 127.10 | 830 | 1784290 |
| Myeonmok-dong | city | Seoul | Korea, Republic of (South) | 37.58 | 127.10 | 830 | 1784290 |
| Myeonmokdong | city | Seoul | Korea, Republic of (South) | 37.58 | 127.10 | 830 | 1784290 |
| Myongyun-dong | city | Seoul | Korea, Republic of (South) | 37.59 | 126.99 | 213 | 1356298 |
| Myonmok | city | Seoul | Korea, Republic of (South) | 37.58 | 127.10 | 830 | 1784290 |
| Myonmok-tong | city | Seoul | Korea, Republic of (South) | 37.58 | 127.10 | 830 | 1784290 |
| Myŏngil-tong | city | Seoul | Korea, Republic of (South) | 37.55 | 127.14 | 78 | 1275179 |
| Myŏngnyun-dong | city | Seoul | Korea, Republic of (South) | 37.59 | 126.99 | 213 | 1356298 |
| Myŏngnyun-jŏng | city | Seoul | Korea, Republic of (South) | 37.59 | 126.99 | 213 | 1356298 |
| Myŏngnyunisaga-dong | city | Seoul | Korea, Republic of (South) | 37.59 | 126.99 | 213 | 1356298 |
| Myŏnmong-ni | city | Seoul | Korea, Republic of (South) | 37.58 | 127.10 | 830 | 1784290 |