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