Rothenburg a/Obra was formerly part of the German Empire. In the German Empire, the place was called Rothenburg a. d. Obra.
The place is now called Rostarzewo and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Rothenburg a. Obra | German Empire | Bomst | before the Versailles Treaty |
| Rostarzewo | Poland | Wolsztyn | after the Versailles Treaty |
| Rothenburg a/Obra | German Empire | Wollstein | 1939 |
| Rothenburg a. d. Obra | German Empire | Wollstein | 1939 |
| Rostarzewo | Poland | Wolsztyn | 1945 |
| Rostarzewo | Poland | Poznań | 1992 |