Bergen was formerly part of the German Empire. In the German Empire, the place was called Bergen.
The place is now called Perná and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Bergen | Austro-Hungary | Nikolsburg | before the Treaty of Saint-Germain |
| Perná | Austro-Hungary | Nikolsburg | before the Treaty of Saint-Germain |
| Perná | Czechoslovakia | Mikulov | after the Treaty of Saint-Germain |
| Bergen | Czechoslovakia | Mikulov | after the Treaty of Saint-Germain |
| Bergen | German Empire | Nikolsburg | 1938 |
| Perná | Czechoslovakia | Mikulov | 1945 |
| Perná | Czechoslovakia | Břeclav | 1992 |
| Perná | Czech Republic | Břeclav | 1993 |