Wielki Łęck was formerly part of the German Empire. In the German Empire, the place was called Groß Lensk.
The place is now called Wielki Łęck and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Groß-Lensk | German Empire | Neidenburg | before the Versailles Treaty |
| Wielki Łęck | Poland | Działdowo | after the Versailles Treaty |
| Groß Lensk | German Empire | Neidenburg | 1939 |
| Wielki Łęck | Poland | Działdowo | 1945 |
| Wielki Łęck | Poland | Ciechanów | 1992 |