Olschowa was formerly part of the German Empire. In the German Empire, the place was called Erlenbusch O.S..
The place is now called Olszowa and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Olschowa | German Empire | Groß Strehlitz | 1936 |
| Erlenbusch O.S. | German Empire | Groß Strehlitz | 1939 |
| Olszowa | Under Polish administration | Strzelce Opolskie | 1945 |
| Olszowa | Poland | Opole | 1992 |