Waldecke was formerly part of the German Empire. In the German Empire, the place was called Waldecke.
The place is now called Valdek and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Waldecke | Austro-Hungary | Schluckenau | before the Treaty of Saint-Germain |
| Valdek | Czechoslovakia | Šluknov | after the Treaty of Saint-Germain |
| Waldecke | Czechoslovakia | Šluknov | after the Treaty of Saint-Germain |
| Waldecke | German Empire | Rumburg | 1938 |
| Valdek | Czechoslovakia | Rumburk | 1945 |
| Valdek | Czechoslovakia | Děčín | 1992 |
| Valdek | Czech Republic | Děčín | 1993 |