Landsberg O.S. was formerly part of the German Empire. In the German Empire, the place was called Landsberg O.S..
The place is now called Gorzów Śląski and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Landsberg O.S. | German Empire | Rosenberg O.S. | 1939 |
| Gorzów Śląski | Under Polish administration | Olesno | 1945 |
| Gorzów Śląski | Poland | Częstochowa | 1992 |