Unierzyż was formerly part of the German Empire. In the German Empire, the place was called Unierzyz.
The place is now called Unierzyż and belongs to Poland.
Historical place name | Country | Administration | Time |
---|---|---|---|
Unierzyz | Russian Empire | Mlava | 1914 |
Unierzyż | Poland | Mława | 1919 |
Unierzyz | German Empire | Mielau | 1939 |
Unierzyż | Poland | Mława | 1945 |
Unierzyż | Poland | Ciechanów | 1992 |