Poręby was formerly part of the German Empire. In the German Empire, the place was called Rodenau.
The place is now called Poręby and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Poremben | German Empire | Groß Wartenberg | 1937 |
| Rodenau | German Empire | Groß Wartenberg | 1939 |
| Poręby | Under Polish administration | Syców | 1945 |
| Poręby | Poland | Wrocław | 1992 |