| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Jaechon | city | Incheon | Korea, Republic of (South) | 37.66 | 126.68 | 75 | 106530 |
| Jaeneomeo | city | Incheon | Korea, Republic of (South) | 37.69 | 126.48 | 95 | 15712 |
| Jageunsa-gol | city | Incheon | Korea, Republic of (South) | 37.62 | 126.46 | 49 | 5096 |
| Jageunsagol | city | Incheon | Korea, Republic of (South) | 37.62 | 126.46 | 49 | 5096 |
| Jageunsandwi | city | Incheon | Korea, Republic of (South) | 37.60 | 126.49 | 111 | 3922 |
| Jageunssukgae | city | Incheon | Korea, Republic of (South) | 37.25 | 126.11 | 154 | 1838 |
| Jakjeon-dong | city | Incheon | Korea, Republic of (South) | 37.53 | 126.72 | 59 | 846819 |
| Jakjeondong | city | Incheon | Korea, Republic of (South) | 37.53 | 126.72 | 59 | 846819 |
| Jandari | city | Incheon | Korea, Republic of (South) | 37.51 | 126.54 | 29 | 7733 |
| Jang-an-mal | city | Incheon | Korea, Republic of (South) | 37.61 | 126.51 | 141 | 14458 |
| Jang-chon | city | Incheon | Korea, Republic of (South) | 37.65 | 126.48 | 55 | 9820 |
| Jang-chon | city | Incheon | Korea, Republic of (South) | 37.51 | 126.51 | 101 | 8959 |
| Jang-gol | city | Incheon | Korea, Republic of (South) | 37.74 | 126.30 | 331 | 865 |
| Jang-gol | city | Incheon | Korea, Republic of (South) | 37.17 | 126.26 | 95 | 591 |
| Janganmal | city | Incheon | Korea, Republic of (South) | 37.68 | 126.50 | 32 | 39531 |
| Jangbong-ri | city | Incheon | Korea, Republic of (South) | 37.53 | 126.34 | 75 | 1720 |
| Jangbongni | city | Incheon | Korea, Republic of (South) | 37.53 | 126.34 | 75 | 1720 |
| Jangdong | city | Incheon | Korea, Republic of (South) | 37.74 | 126.50 | 9 | 39862 |
| Janggi-dong | city | Incheon | Korea, Republic of (South) | 37.58 | 126.73 | 62 | 388332 |
| Janggu | city | Incheon | Korea, Republic of (South) | 37.66 | 126.33 | 0 | 603 |
| Jangguneomeo | city | Incheon | Korea, Republic of (South) | 37.66 | 126.33 | 0 | 603 |
| Janggyeong | city | Incheon | Korea, Republic of (South) | 37.71 | 126.40 | 101 | 7022 |
| Janggyeongi | city | Incheon | Korea, Republic of (South) | 37.27 | 126.46 | 291 | 1878 |
| Jangha | city | Incheon | Korea, Republic of (South) | 37.65 | 126.45 | 36 | 7761 |
| Jangheung-ri | city | Incheon | Korea, Republic of (South) | 37.64 | 126.50 | 144 | 17373 |
| Jangheung-ri | city | Incheon | Korea, Republic of (South) | 37.61 | 126.50 | 262 | 7112 |
| Jangjeon | city | Incheon | Korea, Republic of (South) | 37.60 | 126.44 | 98 | 3472 |
| Jangkkol | city | Incheon | Korea, Republic of (South) | 37.74 | 126.30 | 331 | 865 |
| Jangol | city | Incheon | Korea, Republic of (South) | 37.78 | 126.43 | 59 | 7449 |
| Jangseungmal | city | Incheon | Korea, Republic of (South) | 37.75 | 126.50 | 16 | 29485 |
| Jawol-ri | city | Incheon | Korea, Republic of (South) | 37.26 | 126.28 | 0 | 488 |
| Jebi | city | Incheon | Korea, Republic of (South) | 37.79 | 126.28 | 226 | 1029 |
| Jen-tchoan | city | Incheon | Korea, Republic of (South) | 37.45 | 126.73 | 29 | 1249939 |
| Jeongha | city | Incheon | Korea, Republic of (South) | 37.65 | 126.46 | 36 | 8497 |
| Jeongpo | city | Incheon | Korea, Republic of (South) | 37.70 | 126.37 | 118 | 4670 |
| Jeonso-dong | city | Incheon | Korea, Republic of (South) | 37.49 | 126.53 | 16 | 8203 |
| Jeonsodong | city | Incheon | Korea, Republic of (South) | 37.49 | 126.53 | 16 | 8203 |
| Jeorarae | city | Incheon | Korea, Republic of (South) | 37.78 | 126.30 | 26 | 780 |
| Jeorarae | city | Incheon | Korea, Republic of (South) | 37.69 | 126.32 | 3 | 1250 |
| Jeotgae | city | Incheon | Korea, Republic of (South) | 37.51 | 126.51 | 150 | 9564 |
| Jeoundong | city | Incheon | Korea, Republic of (South) | 37.79 | 126.37 | 830 | 4384 |
| Jeungsan | city | Incheon | Korea, Republic of (South) | 37.80 | 126.40 | 187 | 5724 |
| Jibangdol | city | Incheon | Korea, Republic of (South) | 37.76 | 126.47 | 190 | 11058 |
| Jilgot | city | Incheon | Korea, Republic of (South) | 37.65 | 126.66 | 65 | 109928 |
| Jin-chon | city | Incheon | Korea, Republic of (South) | 37.55 | 126.34 | 72 | 1720 |
| Jin-ri | city | Incheon | Korea, Republic of (South) | 37.23 | 126.15 | 180 | 1846 |
| Jinchon | city | Incheon | Korea, Republic of (South) | 37.55 | 126.34 | 72 | 1720 |
| Jineungmal | city | Incheon | Korea, Republic of (South) | 37.75 | 126.51 | 22 | 37135 |
| Jingae | city | Incheon | Korea, Republic of (South) | 37.60 | 126.46 | 0 | 4248 |
| Jinheung-mal | city | Incheon | Korea, Republic of (South) | 37.75 | 126.51 | 22 | 37135 |
| Jinmaeul | city | Incheon | Korea, Republic of (South) | 37.22 | 126.14 | 13 | 1953 |
| Jinmal | city | Incheon | Korea, Republic of (South) | 37.22 | 126.14 | 13 | 1953 |
| Jinsen | city | Incheon | Korea, Republic of (South) | 37.45 | 126.73 | 29 | 1249939 |
| Jinteul | city | Incheon | Korea, Republic of (South) | 37.65 | 126.43 | 42 | 6925 |
| Jirae | city | Incheon | Korea, Republic of (South) | 37.69 | 126.51 | 39 | 47744 |
| Jiratdeul | city | Incheon | Korea, Republic of (South) | 37.65 | 126.43 | 42 | 6925 |
| Jitjeolmi | city | Incheon | Korea, Republic of (South) | 37.79 | 126.39 | 173 | 5437 |
| Jogu-chon | city | Incheon | Korea, Republic of (South) | 37.65 | 126.44 | 104 | 7402 |
| Jogye | city | Incheon | Korea, Republic of (South) | 37.72 | 126.39 | 26 | 6617 |
| Jongang | city | Incheon | Korea, Republic of (South) | 37.68 | 126.42 | 167 | 6868 |
| Jongchon | city | Incheon | Korea, Republic of (South) | 37.79 | 126.44 | 62 | 7259 |
| Jonghyeon-dong | city | Incheon | Korea, Republic of (South) | 37.26 | 126.57 | 124 | 2971 |
| Jonghyeondong | city | Incheon | Korea, Republic of (South) | 37.26 | 126.57 | 124 | 2971 |
| Jongmeori | city | Incheon | Korea, Republic of (South) | 37.80 | 126.31 | 75 | 927 |
| Josan | city | Incheon | Korea, Republic of (South) | 37.65 | 126.44 | 42 | 7402 |
| Josan-ri | city | Incheon | Korea, Republic of (South) | 37.66 | 126.44 | 104 | 7402 |
| Juan | city | Incheon | Korea, Republic of (South) | 37.46 | 126.68 | 39 | 1129288 |
| Juan-dong | city | Incheon | Korea, Republic of (South) | 37.46 | 126.68 | 39 | 1129288 |
| Juandong | city | Incheon | Korea, Republic of (South) | 37.46 | 126.68 | 39 | 1129288 |
| Juksanpo | city | Incheon | Korea, Republic of (South) | 37.76 | 126.23 | 3 | 696 |
| Jungchon | city | Incheon | Korea, Republic of (South) | 37.72 | 126.36 | 167 | 4656 |
| Jungchon | city | Incheon | Korea, Republic of (South) | 37.76 | 126.48 | 190 | 14675 |
| Junghyeol | city | Incheon | Korea, Republic of (South) | 37.70 | 126.45 | 114 | 9188 |
| Jungsan-dong | city | Incheon | Korea, Republic of (South) | 37.50 | 126.57 | 0 | 27795 |
| Jwibi | city | Incheon | Korea, Republic of (South) | 37.79 | 126.28 | 226 | 1029 |