| 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 | Hambuk | Korea, Dem. Peoples Rep. of (North) | 42.37 | 130.05 | 1669 | 9089 |
| 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 |
| 오사랑동 | city | Kangwon | Korea, Dem. Peoples Rep. of (North) | 39.00 | 127.04 | 1840 | 4689 |
| 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 |
| 오사카 시 | city | Osaka | Japan | 34.68 | 135.52 | 13 | 1388107 |