Josefsko was formerly part of the German Empire. In the German Empire, the place was called NN.
The place is now called Žižkovo Předměstí and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Josefschlag | Austro-Hungary | Gmünd | before the Treaty of Saint-Germain |
| Josefsko | Czechoslovakia | Třeboň | after the Treaty of Saint-Germain |
| Josefschlag | Czechoslovakia | Třeboň | after the Treaty of Saint-Germain |
| NN | German Empire | Gmünd | 1938 |
| NN | Czechoslovakia | Třeboň | 1945 |
| NN | Czechoslovakia | Jindřichův Hradec | 1992 |
| Žižkovo Předměstí | Czech Republic | Jindřichův Hradec | 1993 |