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