Ociąż, Dwór was formerly part of the German Empire. In the German Empire, the place was called Ottenland.
The place is now called Ociąż and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Ocionz | German Empire | Ostrowo | before the Versailles Treaty |
| Ociaz | German Empire | Ostrowo | before the Versailles Treaty |
| Ociąż, Dwór | Poland | Ostrów Wielkopolski | after the Versailles Treaty |
| Ocionz | German Empire | Ostrowo | 1939 |
| Schöneiche | German Empire | Ostrowo | 1939 |
| Ottenland | German Empire | Ostrowo | 1939 |
| Ociąż | Poland | Ostrów Wielkopolski | 1945 |
| Ociąż | Poland | Kalisz | 1992 |