Waldhäuser was formerly part of the German Empire. In the German Empire, the place was called Waldhäuser.
The place is now called Kopanie and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Waldhäuser | German Empire | Sprottau | 1939 |
| Kopanie | Under Polish administration | Szprotawa | 1945 |
| Kopanie | Poland | Zielona Góra | 1992 |