| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| 오사 | city | Chungnam | Korea, Republic of (South) | 36.95 | 126.75 | 32 | 11004 |
| 오사 | city | Gyeongbuk | Korea, Republic of (South) | 35.71 | 128.37 | 118 | 15749 |
| 오사 | city | Chungbuk | Korea, Republic of (South) | 37.10 | 128.51 | 830 | 1982 |
| 오사동 | city | Gangwon | Korea, Republic of (South) | 37.43 | 129.14 | 311 | 32863 |
| 오사동 (Osadong) | city | Gangwon | Korea, Republic of (South) | 37.43 | 129.14 | 311 | 32863 |
| 오사리 | city | Chungbuk | Korea, Republic of (South) | 37.10 | 128.50 | 830 | 2261 |
| 오사리 | city | Chungnam | Korea, Republic of (South) | 36.83 | 126.43 | 167 | 30136 |
| 오사리 (Osari) | city | Chungbuk | Korea, Republic of (South) | 37.10 | 128.50 | 830 | 2261 |