Lossini was formerly part of the German Empire. In the German Empire, the place was called Lossin, Tucheler Heide.
The place is now called Jaty and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Lossini | German Empire | Konitz | before the Versailles Treaty |
| Jatty | German Empire | Konitz | before the Versailles Treaty |
| Łosiny | Poland | Chojnice | after the Versailles Treaty |
| Jaty | Poland | Chojnice | after the Versailles Treaty |
| Lossin, Tucheler Heide | German Empire | Tuchel | 1939 |
| Łosiny | Poland | Tuchola | 1945 |
| Jaty | Poland | Tuchola | 1945 |
| Łosiny | Poland | Bydgoszcz | 1992 |
| Jaty | Poland | Bydgoszcz | 1992 |