Kaczyniec was formerly part of the German Empire. In the German Empire, the place was called Blumenau.
The place is now called Kaczyniec and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Kaczyniec | Russian Empire | Kolo | 1914 |
| Kaczyniec | Poland | Koło | 1921 |
| Blumenau | German Empire | Warthbrücken | 1939 |
| Kaczyniec | Poland | Koło | 1945 |
| Kaczyniec | Poland | Konin | 1992 |