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