Brzeg was formerly part of the German Empire. In the German Empire, the place was called Brieg.
The place is now called Brzeg and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Brieg | German Empire | Brieg (St.Kr.) | 1939 |
| Brzeg | Under Polish administration | Brzeg m. | 1945 |
| Brzeg | Poland | Opole | 1992 |