| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ya-ch'on | city | Gyeonggi | Korea, Republic of (South) | 37.80 | 127.10 | 305 | 100741 |
| Ya-ch’on | city | Gyeonggi | Korea, Republic of (South) | 37.80 | 127.10 | 305 | 100741 |
| Ya-mal | city | Gyeonggi | Korea, Republic of (South) | 37.66 | 127.38 | 830 | 63192 |