Bagno was formerly part of the German Empire. In the German Empire, the place was called Heinzendorf.
The place is now called Bagno and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Heinzendorf | German Empire | Wohlau | 1939 |
| Bagno | Under Polish administration | Wołów | 1945 |
| Bagno | Poland | Wrocław | 1992 |