NN was formerly part of the German Empire. In the German Empire, the place was called NN.
The place is now called Bielawa * and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Nieder-Langenbielau | German Empire | Reichenbach (Eulengebirge) | 1914 |
| NN | German Empire | Reichenbach (Eulengebirge) | 1939 |
| Bielawa * | Under Polish administration | Dzierżoniów | 1945 |
| Bielawa * | Poland | Wałbrzych | 1992 |