Windschau was formerly part of the German Empire. In the German Empire, the place was called Windschau.
The place is now called Onšov and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Windschau | Austro-Hungary | Znaim | before the Treaty of Saint-Germain |
| Unašov | Austro-Hungary | Znaim | before the Treaty of Saint-Germain |
| Hanušov | Austro-Hungary | Znaim | before the Treaty of Saint-Germain |
| Onšov | Czechoslovakia | Znojmo-venkov | after the Treaty of Saint-Germain |
| Windschau | Czechoslovakia | Znojmo-venkov | after the Treaty of Saint-Germain |
| Windschau | German Empire | Znaim | 1938 |
| Onšov | Czechoslovakia | Znojmo | 1945 |
| Onšov | Czechoslovakia | Znojmo | 1992 |
| Onšov | Czech Republic | Znojmo | 1993 |