Lasy was formerly part of the German Empire. In the German Empire, the place was called Laasen.
The place is now called Łazy and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Laasen | German Empire | Lublinitz | before the Versailles Treaty |
| Lasy | Poland | Lubliniec | after the Versailles Treaty |
| Laasen | German Empire | Lublinitz/Loben | 1939 |
| Lasy | Poland | Lubliniec | 1945 |
| Łazy | Poland | Częstochowa | 1992 |