Opava was formerly part of the German Empire. In the German Empire, the place was called Troppau.
The place is now called Opava and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Troppau | Austro-Hungary | Troppau | before the Treaty of Saint-Germain |
| Opava | Austro-Hungary | Troppau | before the Treaty of Saint-Germain |
| Opawa | Austro-Hungary | Troppau | before the Treaty of Saint-Germain |
| Opava | Czechoslovakia | Opava | after the Treaty of Saint-Germain |
| Troppau | Czechoslovakia | Opava | after the Treaty of Saint-Germain |
| Troppau | German Empire | Troppau (St.Kr.) | 1938 |
| Opava | Czechoslovakia | Opava, Statutární město | 1945 |
| Opava | Czechoslovakia | Opava | 1992 |
| Opava | Czech Republic | Opava | 1993 |