Roztoka was formerly part of the German Empire. In the German Empire, the place was called Rohnstock.
The place is now called Roztoka and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Rohnstock | German Empire | Jauer | 1939 |
| Roztoka | Under Polish administration | Jawor | 1945 |
| Roztoka | Poland | Wałbrzych | 1992 |