Waldau was formerly part of the German Empire. In the German Empire, the place was called Valdov.
The place is now called Valdov and belongs to Czechoslovakia.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Waldau | Austro-Hungary | Neupaka | before the Treaty of Saint-Germain |
| Valdov | Austro-Hungary | Neupaka | before the Treaty of Saint-Germain |
| Valdov | Czechoslovakia | Nová Paka | after the Treaty of Saint-Germain |
| Waldau | German Empire | Neupaka | 1939 |
| Valdov | German Empire | Neupaka | 1939 |
| Valdov | Czechoslovakia | Nová Paka | 1945 |
| Valdov | Czechoslovakia | Východní Čechy | 1992 |