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