Hoslau was formerly part of the German Empire. In the German Empire, the place was called Hoslau.
The place is now called Blata and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Hoslau | Austro-Hungary | Klattau | before the Treaty of Saint-Germain |
| Blaty | Austro-Hungary | Klattau | before the Treaty of Saint-Germain |
| Blata | Czechoslovakia | Klatovy | after the Treaty of Saint-Germain |
| Hoslau | Czechoslovakia | Klatovy | after the Treaty of Saint-Germain |
| Hoslau | German Empire | Markt Eisenstein | 1938 |
| Blata | Czechoslovakia | Klatovy | 1945 |
| Blata | Czechoslovakia | Klatovy | 1992 |
| Blata | Czech Republic | Klatovy | 1993 |