Borsk was formerly part of the German Empire. In the German Empire, the place was called Föhricht.
The place is now called Borsk and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Borsk | German Empire | Konitz | before the Versailles Treaty |
| Borsk | Poland | Chojnice | after the Versailles Treaty |
| Föhricht | German Empire | Konitz | 1939 |
| Borsk | Poland | Chojnice | 1945 |
| Borsk | Poland | Gdańsk | 1992 |