| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Yasan | city | Gyeongnam | Korea, Republic of (South) | 35.43 | 128.34 | 246 | 7484 |
| Yasil | city | Daejeon | Korea, Republic of (South) | 36.26 | 127.32 | 305 | 368707 |
| Yasil | city | Daejeon | Korea, Republic of (South) | 36.27 | 127.33 | 223 | 328391 |
| Yaso | city | Gyeongnam | Korea, Republic of (South) | 34.77 | 128.50 | 3 | 7566 |
| Yaso-dong | city | Gyeongnam | Korea, Republic of (South) | 34.77 | 128.50 | 3 | 7566 |
| Yasu Gol | city | Gangwon | Korea, Republic of (South) | 38.15 | 127.67 | 830 | 2533 |