Janov was formerly part of the German Empire. In the German Empire, the place was called Jonsdorf.
The place is now called Janov and belongs to Czech Republic.
|Historical place name||Country||Administration||Time|
|Jonsdorf||Austro-Hungary||Tetschen||before the Treaty of Saint-Germain|
|Janov||Czechoslovakia||Děčín||after the Treaty of Saint-Germain|
|Jonsdorf||Czechoslovakia||Děčín||after the Treaty of Saint-Germain|