Dlouhý Grün was formerly part of the German Empire. In the German Empire, the place was called Langgrün.
The place is now called Bystřice and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Langgrün | Austro-Hungary | Karlsbad | before the Treaty of Saint-Germain |
| Dlouhý Grün | Austro-Hungary | Karlsbad | before the Treaty of Saint-Germain |
| Dlouhý Grün | Czechoslovakia | Karlovy Vary | after the Treaty of Saint-Germain |
| Langgrün | Czechoslovakia | Karlovy Vary | after the Treaty of Saint-Germain |
| Langgrün | German Empire | Karlsbad | 1938 |
| Dlouhá | Czechoslovakia | Karlovy Vary | 1945 |
| Bystřice | Czechoslovakia | Karlovy Vary | 1992 |
| Bystřice | Czech Republic | Karlovy Vary | 1993 |