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