Rządz was formerly part of the German Empire. In the German Empire, the place was called Rondsen.
The place is now called Rządz (Grudziądz-Rządz) and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Rondsen | German Empire | Graudenz | before the Versailles Treaty |
| Rządz | Poland | Grudziądz | after the Versailles Treaty |
| Rondsen | German Empire | Graudenz | 1939 |
| Rządz (Grudziądz-Rządz) | Poland | Grudziądz m. | 1945 |
| Rządz (Grudziądz-Rządz) | Poland | Toruń | 1992 |