Leki Duze was formerly part of the German Empire. In the German Empire, the place was called Krummfeld.
The place is now called Łęki and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Leki Duze | Russian Empire | Veljunˈ | 1914 |
| Leki Male | Russian Empire | Veljunˈ | 1914 |
| Łęki Duże | Poland | Wieluń | 1921 |
| Łęki Małe | Poland | Wieluń | 1921 |
| Krummfeld | German Empire | Welungen | 1939 |
| Łęki | Poland | Wieluń | 1945 |
| Łęki | Poland | Sieradz | 1992 |