Niederradechau was formerly part of the German Empire. In the German Empire, the place was called Dolní Radechová.
The place is now called Dolní Radechová and belongs to Czechoslovakia.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Niederradechau | Austro-Hungary | Nachod | before the Treaty of Saint-Germain |
| Radechov Dolní | Austro-Hungary | Nachod | before the Treaty of Saint-Germain |
| Dolní Radechová | Czechoslovakia | Náchod | after the Treaty of Saint-Germain |
| Nieder-Radechau | German Empire | Nachod | 1939 |
| Dolní Radechová | German Empire | Nachod | 1939 |
| Dolní Radechová | Czechoslovakia | Náchod | 1945 |
| Dolní Radechová | Czechoslovakia | Východní Čechy | 1992 |