Nowy Zagór was formerly part of the German Empire. In the German Empire, the place was called Boberhöh.
The place is now called Nowy Zagór and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Deutsch Sagar | German Empire | Crossen (Oder) | 1937 |
| Boberhöh | German Empire | Crossen (Oder) | 1939 |
| Nowy Zagór | Under Polish administration | Krosno Odrzańskie | 1945 |
| Nowy Zagór | Poland | Zielona Góra | 1992 |