Plaschin was formerly part of the German Empire. In the German Empire, the place was called Plaschin.
The place is now called Blažim and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Plaschin | Austro-Hungary | Plan | before the Treaty of Saint-Germain |
| Plačín | Austro-Hungary | Plan | before the Treaty of Saint-Germain |
| Blažim | Czechoslovakia | Planá | after the Treaty of Saint-Germain |
| Blaschin | Czechoslovakia | Planá | after the Treaty of Saint-Germain |
| Blaschin | German Empire | Tepl | 1938 |
| Plaschin | German Empire | Tepl | 1938 |
| Blažim | Czechoslovakia | Stříbro | 1945 |
| Blažim | Czechoslovakia | Plzeň-sever | 1992 |
| Blažim | Czech Republic | Plzeň-sever | 1993 |