Bettlern was formerly part of the German Empire. In the German Empire, the place was called Bettlern.
The place is now called Petlery and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Bettlern | Austro-Hungary | Preßnitz | before the Treaty of Saint-Germain |
| Petlery | Austro-Hungary | Preßnitz | before the Treaty of Saint-Germain |
| Petlery | Czechoslovakia | Přísečnice | after the Treaty of Saint-Germain |
| Bettlern | Czechoslovakia | Přísečnice | after the Treaty of Saint-Germain |
| Bettlern | German Empire | Preßnitz | 1938 |
| Petlery | Czechoslovakia | Kadaň | 1945 |
| Petlery | Czechoslovakia | Chomutov | 1992 |
| Petlery | Czech Republic | Chomutov | 1993 |