Przetoczyno was formerly part of the German Empire. In the German Empire, the place was called Prethagen.
The place is now called Krankowiec and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Pretoschin | German Empire | Neustadt i. Westpr. | before the Versailles Treaty |
| Sossnowagorra | German Empire | Neustadt i. Westpr. | before the Versailles Treaty |
| Przetoczyno | Poland | Wejherowo | after the Versailles Treaty |
| Sosnowa Góra | Poland | Wejherowo | after the Versailles Treaty |
| Prethagen | German Empire | Neustadt (Westpr.) | 1939 |
| Przetoczyno | Poland | Wejherowo | 1945 |
| Sosnowa Góra | Poland | Wejherowo | 1945 |
| Laski | Poland | Wejherowo | 1945 |
| Krankowiec | Poland | Wejherowo | 1945 |
| Przetoczyno | Poland | Gdańsk | 1992 |
| Sosnowa Góra | Poland | Gdańsk | 1992 |
| Laski | Poland | Gdańsk | 1992 |
| Krankowiec | Poland | Gdańsk | 1992 |