NN was formerly part of the German Empire. In the German Empire, the place was called NN.
The place is now called Hradčany and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Račan | Austro-Hungary | Přestitz | before the Treaty of Saint-Germain |
| Račany | Austro-Hungary | Přestitz | before the Treaty of Saint-Germain |
| Hračany | Austro-Hungary | Přestitz | before the Treaty of Saint-Germain |
| Hradčany | Czechoslovakia | Přeštice | after the Treaty of Saint-Germain |
| NN | German Empire | Pschestitz | 1939 |
| NN | Czechoslovakia | Přeštice | 1945 |
| Hradčany | Czechoslovakia | Plzeň-jih | 1992 |
| Hradčany | Czech Republic | Plzeň-jih | 1993 |