Ústaleč was formerly part of the German Empire. In the German Empire, the place was called Ústaleč.
The place is now called Ústaleč and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Austaletz | Austro-Hungary | Klattau | before the Treaty of Saint-Germain |
| Oustalec | Austro-Hungary | Klattau | before the Treaty of Saint-Germain |
| Ústaleč | Czechoslovakia | Klatovy | after the Treaty of Saint-Germain |
| Austaletz | German Empire | Klattau | 1939 |
| Ústaleč | German Empire | Klattau | 1939 |
| Ústaleč | Czechoslovakia | Horažďovice | 1945 |
| Ústaleč | Czechoslovakia | Klatovy | 1992 |
| Ústaleč | Czech Republic | Klatovy | 1993 |