Brstje was formerly part of the German Empire. In the German Empire, the place was called Rüstenau.
The place is now called Brstje and belongs to Slovenia.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Werstje | Austro-Hungary | Pettau/Ptuj | before the Treaty of Saint-Germain |
| Brstje | Austro-Hungary | Pettau/Ptuj | before the Treaty of Saint-Germain |
| Brstje | Yugoslavia | Ptuj m. | after the Treaty of Saint-Germain |
| Rüstenau | German Empire | Pettau | 1941 |
| Brstje | Yugoslavia | Ptuj | 1945 |
| Brstje | Yugoslavia | Socialistična rep. Slovenija | 1992 |
| Brstje | Slovenia | Slowenien | 1991 |