Janušov was formerly part of the German Empire. In the German Empire, the place was called Johnsdorf.
The place is now abandoned and the area belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Johnsdorf | Austro-Hungary | Römerstadt | before the Treaty of Saint-Germain |
| Janušov | Austro-Hungary | Römerstadt | before the Treaty of Saint-Germain |
| Janušov | Czechoslovakia | Rýmařov | after the Treaty of Saint-Germain |
| Johnsdorf | Czechoslovakia | Rýmařov | after the Treaty of Saint-Germain |
| Johnsdorf | German Empire | Römerstadt | 1938 |
| Janušov | Czechoslovakia | Rýmařov | 1945 |
| - aufgelassen - | Czechoslovakia | Bruntál | 1992 |
| - aufgelassen - | Czech Republic | Bruntál | 1993 |