Bnin was formerly part of the German Empire. In the German Empire, the place was called Bnin.
The place is now called Bnin and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Bnin | Russian Empire | Vloclavek | 1914 |
| Bnin | Poland | Włocławek | 1921 |
| Bnin | German Empire | Leslau | 1939 |
| Bnin | Poland | Włocławek | 1945 |
| Bnin | Poland | Włocławek | 1992 |