Łasin (Koszaliński) was formerly part of the German Empire. In the German Empire, the place was called Lassehne.
The place is now called Łasin and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Lassehne | German Empire | Köslin | 1939 |
| Łasin (Koszaliński) | Under Polish administration | Koszalin | 1945 |
| Łasin | Poland | Koszalin | 1992 |