Justynów was formerly part of the German Empire. In the German Empire, the place was called Justenau.
The place is now called Justynów and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Justynow | Russian Empire | Lodzˈ | 1914 |
| Justynów | Poland | Brzeziny | 1921 |
| Justynów | German Empire | Litzmannstadt/Lodsch | 1939 |
| Justenau | German Empire | Litzmannstadt/Lodsch | 1939 |
| Justynów | Poland | Brzeziny | 1945 |
| Justynów | Poland | Łódź | 1992 |