Pacov was formerly part of the German Empire. In the German Empire, the place was called Pacov.
The place is now called Pacov (Říčany-Pacov) and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Patzdorf | Austro-Hungary | Žižkow | before the Treaty of Saint-Germain |
| Pacov | Austro-Hungary | Žižkow | before the Treaty of Saint-Germain |
| Pacov | Czechoslovakia | Říčany | after the Treaty of Saint-Germain |
| Patzdorf | German Empire | Ritschan | 1939 |
| Pacov | German Empire | Ritschan | 1939 |
| Pacov | Czechoslovakia | Říčany | 1945 |
| Pacov (Říčany-Pacov) | Czechoslovakia | Praha-východ | 1992 |
| Pacov (Říčany-Pacov) | Czech Republic | Praha-východ | 1993 |