Gerlachowo, Gutsbezirk was formerly part of the German Empire. In the German Empire, the place was called NN.
The place is now called Gierłachowo * and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Gerlachowo, Gutsbezirk | German Empire | Rawitsch | before the Versailles Treaty |
| Gierłachowo * | Poland | Rawicz | after the Versailles Treaty |
| NN | German Empire | Rawitsch | 1939 |
| Gierłachowo, Osada | Poland | Rawicz | 1945 |
| Gierłachowo * | Poland | Leszno | 1992 |