Łączna was formerly part of the German Empire. In the German Empire, the place was called Latschna (Bugmünde-Latschna).
The place is now called Łączna (Nowy Dwór Mazowiecki-Łączna) and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Laczna | Russian Empire | Varšava | 1914 |
| Łączna | Poland | Warszawa | 1919 |
| Latschna (Bugmünde-Latschna) | German Empire | Plöhnen | 1939 |
| Łączna (Nowy Dwór Mazowiecki-Łączna) | Poland | Nowy Dwór Mazowiecki | 1945 |
| Łączna (Nowy Dwór Mazowiecki-Łączna) | Poland | Warszawa | 1992 |