Dlusk was formerly part of the German Empire. In the German Empire, the place was called Langenau.
The place is now called Dłusk and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Dlusk | Russian Empire | Slupcy | 1914 |
| Dłusk | Poland | Konin | 1921 |
| Langenau | German Empire | Konin | 1939 |
| Dłusk | Poland | Września | 1945 |
| Dłusk | Poland | Konin | 1992 |