| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| 마가묘 | city | Incheon | Korea, Republic of (South) | 37.54 | 126.76 | 29 | 956141 |
| 마귀내 | city | Incheon | Korea, Republic of (South) | 37.65 | 126.49 | 36 | 22845 |
| 마당개 | city | Incheon | Korea, Republic of (South) | 37.51 | 126.55 | 134 | 9533 |
| 마당포 | city | Incheon | Korea, Republic of (South) | 37.51 | 126.55 | 134 | 9533 |
| 마리굴 | city | Incheon | Korea, Republic of (South) | 37.57 | 126.74 | 111 | 525552 |
| 마산 | city | Incheon | Korea, Republic of (South) | 37.61 | 126.68 | 55 | 210243 |
| 마산 | city | Incheon | Korea, Republic of (South) | 37.76 | 126.23 | 3 | 641 |
| 마산리 | city | Incheon | Korea, Republic of (South) | 37.64 | 126.64 | 118 | 124287 |
| 마송리 | city | Incheon | Korea, Republic of (South) | 37.68 | 126.60 | 32 | 65514 |
| 마시란 | city | Incheon | Korea, Republic of (South) | 37.44 | 126.42 | 78 | 1958 |
| 마애불 | city | Incheon | Korea, Republic of (South) | 37.69 | 126.32 | 830 | 1250 |
| 마전동 | city | Incheon | Korea, Republic of (South) | 37.60 | 126.67 | 121 | 229368 |
| 마전동 (Majeon-dong) | city | Incheon | Korea, Republic of (South) | 37.60 | 126.67 | 121 | 229368 |
| 마전리 | city | Incheon | Korea, Republic of (South) | 37.60 | 126.67 | 121 | 229368 |