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