Laschan was formerly part of the German Empire. In the German Empire, the place was called Lažan.
The place is now called Lažany and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Laschan | Austro-Hungary | Mies | before the Treaty of Saint-Germain |
| Lažany | Austro-Hungary | Mies | before the Treaty of Saint-Germain |
| Lažany | Czechoslovakia | Stříbro | after the Treaty of Saint-Germain |
| Lažan | Czechoslovakia | Stříbro | after the Treaty of Saint-Germain |
| Laschan | German Empire | Mies | 1938 |
| Lažan | German Empire | Mies | 1938 |
| Lažany | Czechoslovakia | Přeštice | 1945 |
| Lažany | Czechoslovakia | Plzeň-jih | 1992 |
| Lažany | Czech Republic | Plzeň-jih | 1993 |