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