Kopec was formerly part of the German Empire. In the German Empire, the place was called Kopetz.
The place is now called Kopec and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Kopetzen | Austro-Hungary | Mies | before the Treaty of Saint-Germain |
| Kopec | Austro-Hungary | Mies | before the Treaty of Saint-Germain |
| Kopec | Czechoslovakia | Stříbro | after the Treaty of Saint-Germain |
| Kopetzen | Czechoslovakia | Stříbro | after the Treaty of Saint-Germain |
| Kopetzen | German Empire | Mies | 1938 |
| Kopetz | German Empire | Mies | 1938 |
| Kopec | Czechoslovakia | Stříbro | 1945 |
| Kopec | Czechoslovakia | Tachov | 1992 |
| Kopec | Czech Republic | Tachov | 1993 |