Sinki was formerly part of the German Empire. In the German Empire, the place was called Sinki.
The place is now called Sinki-Folwark and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Sinki Folwark | Russian Empire | Nešava | 1914 |
| Sinki-Folwark | Poland | Nieszawa | 1921 |
| Sinki | German Empire | Hermannsbad | 1939 |
| Sinki | Poland | Aleksandrów Kujawski | 1945 |
| Sinki-Folwark | Poland | Włocławek | 1992 |