Kopain was formerly part of the German Empire. In the German Empire, the place was called Kopain.
The place is now called Kopaniny and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Kopain | Austro-Hungary | Königinhof a. d. Elbe | before the Treaty of Saint-Germain |
| Kopaniny | Austro-Hungary | Königinhof a. d. Elbe | before the Treaty of Saint-Germain |
| Kopaniny | Czechoslovakia | Dvůr Králové nad Labem | after the Treaty of Saint-Germain |
| Kopain | Czechoslovakia | Dvůr Králové nad Labem | after the Treaty of Saint-Germain |
| Kopain | German Empire | Trautenau | 1938 |
| Kopaniny | Czechoslovakia | Dvůr Králové nad Labem | 1945 |
| Kopaniny | Czechoslovakia | Náchod | 1992 |
| Kopaniny | Czech Republic | Náchod | 1993 |