Zwoischen was formerly part of the German Empire. In the German Empire, the place was called Zwoischen.
The place is now called Svojše and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Zwoischen | Austro-Hungary | Schüttenhofen | before the Treaty of Saint-Germain |
| Svojše | Austro-Hungary | Schüttenhofen | before the Treaty of Saint-Germain |
| Svojše | Czechoslovakia | Sušice | after the Treaty of Saint-Germain |
| Zwoischen | Czechoslovakia | Sušice | after the Treaty of Saint-Germain |
| Zwoischen | German Empire | Bergreichenstein | 1938 |
| Svojše | Czechoslovakia | Sušice | 1945 |
| Svojše | Czechoslovakia | Klatovy | 1992 |
| Svojše | Czech Republic | Klatovy | 1993 |