Hrádek was formerly part of the German Empire. In the German Empire, the place was called Häusles.
The place is now abandoned and the area belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Häusles | Austro-Hungary | Budweis | before the Treaty of Saint-Germain |
| Hrádek | Austro-Hungary | Budweis | before the Treaty of Saint-Germain |
| Hrádek | Czechoslovakia | České Budějovice | after the Treaty of Saint-Germain |
| Häusles | Czechoslovakia | České Budějovice | after the Treaty of Saint-Germain |
| Häusles | German Empire | Gmünd | 1938 |
| Hrádek | Czechoslovakia | Trhové Sviny | 1945 |
| Hrádek | Czechoslovakia | České Budějovice | 1992 |
| - aufgelassen - | Czech Republic | České Budějovice | 1993 |