Friedstein was formerly part of the German Empire. In the German Empire, the place was called Frýdštejn.
The place is now called Frýdštejn and belongs to Czechoslovakia.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Friedstein | Austro-Hungary | Turnau | before the Treaty of Saint-Germain |
| Frýdštejn | Austro-Hungary | Turnau | before the Treaty of Saint-Germain |
| Frýdštejn | Czechoslovakia | Turnov | after the Treaty of Saint-Germain |
| Friedstein | German Empire | Turnau | 1939 |
| Frýdštejn | German Empire | Turnau | 1939 |
| Frýdštejn | Czechoslovakia | Turnov | 1945 |
| Frýdštejn | Czechoslovakia | Praha, Hlavní město | 1992 |