Roztoky u Jilemnice was formerly part of the German Empire. In the German Empire, the place was called Roztoky.
The place is now called Roztoky u Jilemnice and belongs to Czechoslovakia.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Rostok | Austro-Hungary | Starkenbach | before the Treaty of Saint-Germain |
| Roztoky | Austro-Hungary | Starkenbach | before the Treaty of Saint-Germain |
| Roztoky | Czechoslovakia | Jilemnice | after the Treaty of Saint-Germain |
| Rostok | German Empire | Starkenbach | 1939 |
| Roztoky | German Empire | Starkenbach | 1939 |
| Roztoky | Czechoslovakia | Jilemnice | 1945 |
| Roztoky u Jilemnice | Czechoslovakia | Východní Čechy | 1992 |