Mittel-Porschitsch was formerly part of the German Empire. In the German Empire, the place was called Prostřední Poříčí.
The place is now called Prostřední Poříčí and belongs to Czechoslovakia.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Mittelpořitsch | Austro-Hungary | Boskowitz | before the Treaty of Saint-Germain |
| Poříčí Prostřední | Austro-Hungary | Boskowitz | before the Treaty of Saint-Germain |
| Prostřední Poříčí | Czechoslovakia | Boskovice | after the Treaty of Saint-Germain |
| Mittel-Porschitsch | German Empire | Boskowitz | 1939 |
| Prostřední Poříčí | German Empire | Boskowitz | 1939 |
| Prostřední Poříčí | Czechoslovakia | Boskovice | 1945 |
| Prostřední Poříčí | Czechoslovakia | Jižní Morava | 1992 |