Rdzawe was formerly part of the German Empire. In the German Empire, the place was called Rostau.
The place is now called Rdzawe and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Rdzawen | German Empire | Treuburg | 1928 |
| Rostau | German Empire | Treuburg | 1939 |
| Rdzawe | Under Polish administration | Olecko | 1945 |
| Rdzawe | Poland | Suwałki | 1992 |