Leki was formerly part of the German Empire. In the German Empire, the place was called Łęki.
The place is now called Łęki and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Leki | Russian Empire | Lask | 1914 |
| Łęki | Poland | Łask | 1921 |
| Łęki | German Empire | Lask | 1939 |
| Łęki | Poland | Łask | 1945 |
| Łęki | Poland | Piotrków | 1992 |