Biernatka was formerly part of the German Empire. In the German Empire, the place was called Bärenhütte.
The place is now called Biernatka and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Bärenwalderhütte | German Empire | Schlochau | before the Versailles Treaty |
| Bärenwalderhütte | German Empire | Schlochau | after the Versailles Treaty |
| Bärenwalderhütte | German Empire | Schlochau | 1939 |
| Bärenhütte | German Empire | Schlochau | 1939 |
| Biernatka | Under Polish administration | Człuchów | 1945 |
| Biernatka | Poland | Słupsk | 1992 |