Zechau was formerly part of the German Empire. In the German Empire, the place was called Zechau (Kr. Gnesen).
The place is now called Zdziechowa and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Zdziechowo | German Empire | Gnesen | before the Versailles Treaty |
| Zechau | German Empire | Gnesen | before the Versailles Treaty |
| Zdziechowa | Poland | Gniezno | after the Versailles Treaty |
| Zechau | German Empire | Gnesen | 1939 |
| Zechau (Kr. Gnesen) | German Empire | Gnesen | 1939 |
| Zdziechowa | Poland | Gniezno | 1945 |
| Zdziechowa | Poland | Poznań | 1992 |