Kopernik was formerly part of the German Empire. In the German Empire, the place was called Koprník.
The place is now called Koprník and belongs to Czechoslovakia.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Kopernik | Austro-Hungary | Münchengrätz | before the Treaty of Saint-Germain |
| Koprník | Austro-Hungary | Münchengrätz | before the Treaty of Saint-Germain |
| Koprník | Czechoslovakia | Mnichovo Hradiště | after the Treaty of Saint-Germain |
| Kopernik | German Empire | Münchengrätz | 1939 |
| Koprník | German Empire | Münchengrätz | 1939 |
| Koprník | Czechoslovakia | Mnichovo Hradiště | 1945 |
| Koprník | Czechoslovakia | Střední Čechy | 1992 |