| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| 고잔 | city | Gyeonggi | Korea, Republic of (South) | 37.24 | 126.75 | 29 | 8843 |
| 고잔 | city | Incheon | Korea, Republic of (South) | 37.56 | 126.66 | 42 | 248225 |
| 고잔 | city | Gyeonggi | Korea, Republic of (South) | 37.07 | 126.77 | 22 | 4275 |
| 고잔 | city | Incheon | Korea, Republic of (South) | 37.68 | 126.50 | 32 | 40284 |
| 고잔 | city | Gyeonggi | Korea, Republic of (South) | 37.64 | 126.55 | 16 | 47373 |
| 고잔 | city | Gyeonggi | Korea, Republic of (South) | 37.04 | 126.84 | 16 | 7261 |
| 고잔 | city | Gyeonggi | Korea, Republic of (South) | 37.04 | 126.82 | 22 | 6690 |
| 고잔 | city | Gyeonggi | Korea, Republic of (South) | 37.05 | 126.77 | 45 | 2870 |
| 고잔 | city | Gyeonggi | Korea, Republic of (South) | 37.12 | 126.69 | 42 | 2077 |
| 고잔 | city | Chungnam | Korea, Republic of (South) | 36.72 | 126.37 | 3 | 13441 |
| 고잔 | city | Chungnam | Korea, Republic of (South) | 36.97 | 126.74 | 6 | 7985 |
| 고잔 | city | Gyeonggi | Korea, Republic of (South) | 36.92 | 126.91 | 0 | 5444 |
| 고잔 | city | Gyeonggi | Korea, Republic of (South) | 37.00 | 127.07 | 3 | 162586 |
| 고잔 | city | Chungnam | Korea, Republic of (South) | 36.89 | 126.41 | 72 | 23095 |
| 고잔 | city | Chungnam | Korea, Republic of (South) | 37.00 | 126.50 | 26 | 4739 |
| 고잔 | city | Jeonbuk | Korea, Republic of (South) | 35.89 | 127.03 | 6 | 101966 |
| 고잔동 | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 37.90 | 125.46 | 68 | 12388 |