Rozkosch was formerly part of the German Empire. In the German Empire, the place was called Rozkoš.
The place is now called Rozkoš and belongs to Czechoslovakia.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Rozkosch | Austro-Hungary | Neustadt a. d. Mettau | before the Treaty of Saint-Germain |
| Rozkoš | Austro-Hungary | Neustadt a. d. Mettau | before the Treaty of Saint-Germain |
| Rozkoš | Czechoslovakia | Nové Město nad Metují | after the Treaty of Saint-Germain |
| Roskosch | German Empire | Neustadt an der Mettau | 1939 |
| Rozkoš | German Empire | Neustadt an der Mettau | 1939 |
| Rozkoš | Czechoslovakia | Nové Město nad Metují | 1945 |
| Rozkoš | Czechoslovakia | Východní Čechy | 1992 |