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