Rogau was formerly part of the German Empire. In the German Empire, the place was called Rogau.
The place is now called NN and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Rogau | Austro-Hungary | Schüttenhofen | before the Treaty of Saint-Germain |
| Radkov | Austro-Hungary | Schüttenhofen | before the Treaty of Saint-Germain |
| Velký Radkov | Czechoslovakia | Sušice | after the Treaty of Saint-Germain |
| Rogau | Czechoslovakia | Sušice | after the Treaty of Saint-Germain |
| Rogau | German Empire | Bergreichenstein | 1938 |
| Velký Radkov | Czechoslovakia | Sušice | 1945 |
| Velký Radkov | Czechoslovakia | Klatovy | 1992 |
| NN | Czech Republic | Klatovy | 1993 |