NN was formerly part of the German Empire. In the German Empire, the place was called Sachern.
The place is now called NN and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Sacherwitz | German Empire | Breslau | 1937 |
| Sachern | German Empire | Breslau | 1939 |
| Zacharzyce | Under Polish administration | Wrocław | 1945 |
| NN | Poland | Wrocław | 1992 |