Michelsdorf was formerly part of the German Empire. In the German Empire, the place was called Michelsdorf.
The place is now called Ostrov and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Michelsdorf | Austro-Hungary | Landskron | before the Treaty of Saint-Germain |
| Ostrov | Austro-Hungary | Landskron | before the Treaty of Saint-Germain |
| Ostrov | Czechoslovakia | Lanškroun | after the Treaty of Saint-Germain |
| Michelsdorf | Czechoslovakia | Lanškroun | after the Treaty of Saint-Germain |
| Michelsdorf | German Empire | Landskron | 1938 |
| Ostrov | Czechoslovakia | Lanškroun | 1945 |
| Ostrov | Czechoslovakia | Ústí nad Orlicí | 1992 |
| Ostrov | Czech Republic | Ústí nad Orlicí | 1993 |