Łączna was formerly part of the German Empire. In the German Empire, the place was called Rosenau.
The place is now called Łączna and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Rosenau | German Empire | Waldenburg (Schles.) | 1939 |
| Różana | Under Polish administration | Wałbrzych m. | 1945 |
| Łączna | Poland | Wałbrzych | 1992 |