Prostřední Olešnice was formerly part of the German Empire. In the German Empire, the place was called Mittel Oels.
The place is now abandoned and the area belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Mittel-Oels | Austro-Hungary | Hohenelbe | before the Treaty of Saint-Germain |
| Prostřední Olešnice | Austro-Hungary | Hohenelbe | before the Treaty of Saint-Germain |
| Prostřední Olešnice | Czechoslovakia | Vrchlabí | after the Treaty of Saint-Germain |
| Mittel-Oels | Czechoslovakia | Vrchlabí | after the Treaty of Saint-Germain |
| Mittel Oels | German Empire | Hohenelbe | 1938 |
| Prostřední Olešnice | Czechoslovakia | Vrchlabí | 1945 |
| - aufgelassen - | Czechoslovakia | Trutnov | 1992 |
| - aufgelassen - | Czech Republic | Trutnov | 1993 |