Petřkovice was formerly part of the German Empire. In the German Empire, the place was called Petershofen.
The place is now called Petřkovice (Ostrava-Petřkovice) and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Petrzkowitz | German Empire | Ratibor | before the Versailles Treaty |
| Petřkovice | Czechoslovakia | Hlučín | after the Versailles Treaty |
| Petershofen | German Empire | Ratibor (mit Hultschiner Land) | 1939 |
| Petřkovice | Czechoslovakia | Ostrava/Ostrava-okolí | 1945 |
| Petřkovice (Ostrava-Petřkovice) | Czechoslovakia | Ostrava-město | 1992 |
| Petřkovice (Ostrava-Petřkovice) | Czech Republic | Ostrava-město | 1993 |