Reichenau was formerly part of the German Empire. In the German Empire, the place was called Reichenau.
The place is now called Niwa and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Reichenau | German Empire | Glatz | 1939 |
| Niwa | Under Polish administration | Kłodzko | 1945 |
| Niwa | Poland | Wałbrzych | 1992 |