NN was formerly part of the German Empire. In the German Empire, the place was called Birkenhof.
The place is now called NN and belongs to Poland.
Historical place name | Country | Administration | Time |
---|---|---|---|
Birkenhof | German Empire | Sprottau | 1939 |
NN | Under Polish administration | Żagań | 1945 |
NN | Poland | Jelenia Góra | 1992 |