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