Zaječí was formerly part of the German Empire. In the German Empire, the place was called Saitz.
The place is now called Zaječí and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Saitz | Austro-Hungary | Auspitz | before the Treaty of Saint-Germain |
| Zaječí | Austro-Hungary | Auspitz | before the Treaty of Saint-Germain |
| Zaječí | Czechoslovakia | Hustopeče | after the Treaty of Saint-Germain |
| Saitz | Czechoslovakia | Hustopeče | after the Treaty of Saint-Germain |
| Saitz | German Empire | Nikolsburg | 1938 |
| Zaječí | Czechoslovakia | Hustopeče | 1945 |
| Zaječí | Czechoslovakia | Břeclav | 1992 |
| Zaječí | Czech Republic | Břeclav | 1993 |