Hajnówka was formerly part of the German Empire. In the German Empire, the place was called Herrnhausen.
The place is now called Hajnówka and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Herrnhausen | German Empire | Königsberg Nm. | 1939 |
| Hajnówka | Under Polish administration | Chojna | 1945 |
| Hajnówka | Poland | Gorzów | 1992 |