Lądek was formerly part of the German Empire. In the German Empire, the place was called Londeck.
The place is now called Lądek and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Ladek | Russian Empire | Slupcy | 1914 |
| Lądek | Poland | Konin | 1921 |
| Lądek | German Empire | Konin | 1939 |
| Landorf | German Empire | Konin | 1939 |
| Londeck | German Empire | Konin | 1939 |
| Lądek | Poland | Słupca | 1945 |
| Lądek | Poland | Konin | 1992 |