Kolaczkowice was formerly part of the German Empire. In the German Empire, the place was called Kolau.
The place is now called Kołaczkowice and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Kolaczkowice | German Empire | Gostyn | before the Versailles Treaty |
| Kołaczkowice | Poland | Gostyń | after the Versailles Treaty |
| Kolau | German Empire | Rawitsch | 1939 |
| Kołaczkowice | Poland | Rawicz | 1945 |
| Kołaczkowice | Poland | Leszno | 1992 |