Proruby was formerly part of the German Empire. In the German Empire, the place was called Prorub.
The place is now called Prorubky and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Prorub | Austro-Hungary | Senftenberg | before the Treaty of Saint-Germain |
| Proruby | Austro-Hungary | Senftenberg | before the Treaty of Saint-Germain |
| Proruby | Czechoslovakia | Žamberk | after the Treaty of Saint-Germain |
| Prorub | Czechoslovakia | Žamberk | after the Treaty of Saint-Germain |
| Prorub | German Empire | Grulich | 1938 |
| Proruby | Czechoslovakia | Rychnov nad Kněžnou | 1945 |
| Prorubky | Czechoslovakia | Rychnov nad Kněžnou | 1992 |
| Prorubky | Czech Republic | Rychnov nad Kněžnou | 1993 |