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