Riesenburg was formerly part of the German Empire. In the German Empire, the place was called Rýzmburk.
The place is now called Rýzmburk and belongs to Czechoslovakia.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Riesenburg | Austro-Hungary | Ledeč | before the Treaty of Saint-Germain |
| Riesenburk | Austro-Hungary | Ledeč | before the Treaty of Saint-Germain |
| Rýzmburk | Czechoslovakia | Ledeč nad Sázavou | after the Treaty of Saint-Germain |
| Riesenburg | German Empire | Ledetsch an der Sasau | 1939 |
| Rýzmburk | German Empire | Ledetsch an der Sasau | 1939 |
| Rýzmburk | Czechoslovakia | Ledeč nad Sázavou | 1945 |
| Rýzmburk | Czechoslovakia | Střední Čechy | 1992 |