Pfaffengrün was formerly part of the German Empire. In the German Empire, the place was called Pfaffengrün.
The place is now called Popovice and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Pfaffengrün | Austro-Hungary | Tepl | before the Treaty of Saint-Germain |
| Popovice | Austro-Hungary | Tepl | before the Treaty of Saint-Germain |
| Popovice | Czechoslovakia | Teplá | after the Treaty of Saint-Germain |
| Pfaffengrün | Czechoslovakia | Teplá | after the Treaty of Saint-Germain |
| Pfaffengrün | German Empire | Tepl | 1938 |
| Popovice | Czechoslovakia | Mariánské Lázně | 1945 |
| Popovice | Czechoslovakia | Karlovy Vary | 1992 |
| Popovice | Czech Republic | Karlovy Vary | 1993 |