Buk Pomorski was formerly part of the German Empire. In the German Empire, the place was called Buchwalde, Kr. Strasburg (Westpr.).
The place is now called Buk Pomorski and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Königlich-Buchwalde | German Empire | Graudenz | before the Versailles Treaty |
| Buk | Poland | Grudziądz | after the Versailles Treaty |
| Buchwalde, Kr. Strasburg (Westpr.) | German Empire | Strasburg (Westpr.) | 1939 |
| Buk Pomorski | Poland | Brodnica | 1945 |
| Buk Pomorski | Poland | Toruń | 1992 |