Lasek was formerly part of the German Empire. In the German Empire, the place was called Förstchen.
The place is now called Lasek and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Förstchen | German Empire | Neumarkt | 1939 |
| Lasek | Under Polish administration | Środa Śląska | 1945 |
| Lasek | Poland | Legnica | 1992 |