Brzezinka was formerly part of the German Empire. In the German Empire, the place was called Birkenau.
The place is now called Brzezinka and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Brzezinka | Austro-Hungary | Auschwitz/Oświęcim | before the Treaty of Saint-Germain |
| Brzezinka | Poland | Oświęcim | after the Treaty of Saint-Germain |
| Birkenau | German Empire | Bielitz | 1939 |
| Brzezinka | Poland | Oświęcim | 1945 |
| Brzezinka | Poland | Bielsko | 1992 |