Birndorf was formerly part of the German Empire. In the German Empire, the place was called Birndorf.
The place is now called Hrušková (Sokolov-Hrušková) and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Birndorf | Austro-Hungary | Falkenau a. d. Eger | before the Treaty of Saint-Germain |
| Birndorf | Czechoslovakia | Falknov nad Ohří | after the Treaty of Saint-Germain |
| Birndorf | German Empire | Falkenau a. d. Eger | 1938 |
| Hrušková | Czechoslovakia | Mariánské Lázně | 1945 |
| Hrušková (Sokolov-Hrušková) | Czechoslovakia | Sokolov | 1992 |
| Hrušková (Sokolov-Hrušková) | Czech Republic | Sokolov | 1993 |