Lahna was formerly part of the German Empire. In the German Empire, the place was called Lahna.
The place is now called Łyna and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Lahna | German Empire | Neidenburg | 1939 |
| Łyna | Under Polish administration | Nidzica | 1945 |
| Łyna | Poland | Olsztyn | 1992 |