NN was formerly part of the German Empire. In the German Empire, the place was called NN.
The place is now abandoned and the area belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Bad Letin | Austro-Hungary | Přestitz | before the Treaty of Saint-Germain |
| Lázně Letiny | Austro-Hungary | Přestitz | before the Treaty of Saint-Germain |
| Letiny (lázně) | Czechoslovakia | Přeštice | after the Treaty of Saint-Germain |
| NN | German Empire | Pschestitz | 1939 |
| NN | Czechoslovakia | Blovice | 1945 |
| - aufgelassen - | Czechoslovakia | Plzeň-jih | 1992 |
| - aufgelassen - | Czech Republic | Plzeň-jih | 1993 |