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