Schärfenberg was formerly part of the German Empire. In the German Empire, the place was called Schärfenberg.
The place is now called Ostrá Hora and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Schärfenberg | Austro-Hungary | Jägerndorf | before the Treaty of Saint-Germain |
| Ostrá Hora | Austro-Hungary | Jägerndorf | before the Treaty of Saint-Germain |
| Ostrá Hora | Czechoslovakia | Krnov | after the Treaty of Saint-Germain |
| Schärfenberg | Czechoslovakia | Krnov | after the Treaty of Saint-Germain |
| Schärfenberg | German Empire | Jägerndorf | 1938 |
| Ostrá Hora | Czechoslovakia | Krnov | 1945 |
| Ostrá Hora | Czechoslovakia | Bruntál | 1992 |
| Ostrá Hora | Czech Republic | Bruntál | 1993 |