Guzlin was formerly part of the German Empire. In the German Empire, the place was called Guslin.
The place is now called Guźlin and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Guzlin | Russian Empire | Vloclavek | 1914 |
| Guźlin | Poland | Włocławek | 1921 |
| Guslin | German Empire | Leslau | 1939 |
| Guźlin (I i II) | Poland | Włocławek | 1945 |
| Guźlin | Poland | Włocławek | 1992 |