Widach was formerly part of the German Empire. In the German Empire, the place was called Widach.
The place is now called Vidochov and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Widach | Austro-Hungary | Neupaka | before the Treaty of Saint-Germain |
| Vidochov | Austro-Hungary | Neupaka | before the Treaty of Saint-Germain |
| Vidochov | Czechoslovakia | Nová Paka | after the Treaty of Saint-Germain |
| Widach | Czechoslovakia | Nová Paka | after the Treaty of Saint-Germain |
| Widach | German Empire | Hohenelbe | 1938 |
| Vidochov | Czechoslovakia | Nová Paka | 1945 |
| Vidochov | Czechoslovakia | Jičín | 1992 |
| Vidochov | Czech Republic | Jičín | 1993 |