Bölk was formerly part of the German Empire. In the German Empire, the place was called Bölk.
The place is now called Bełk and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Bölk | German Empire | Strasburg i. Westpr. | before the Versailles Treaty |
| Bełk | Poland | Brodnica | after the Versailles Treaty |
| Bölk | German Empire | Strasburg (Westpr.) | 1939 |
| Bełk | Poland | Działdowo | 1945 |
| Bełk | Poland | Ciechanów | 1992 |