| Ostrau | |
| Type: | Part |
| Municipality: | Jahnatal |
| Image Coa: | Wappen ostrau.png |
| Coordinates: | 51.2°N 23°W |
| State: | Sachsen |
| District: | Mittelsachsen |
| Elevation: | 171 |
| Area: | 52.59 |
| Postal Code: | 04749 |
| Area Code: | 034324 |
| Population: | 3500 |
| Stand: | 2021-12-31 |
| Divisions: | 27 |
| Website: | www.gemeinde-ostrau.de |
Ostrau (in German pronounced as /ˈɔstʁaʊ/) is a village and a former municipality in the district of Mittelsachsen in Saxony in Germany. On 1 January 2023, it was merged with Zschaitz-Ottewig to form the new municipality of Jahnatal.[1]