Birnai was formerly part of the German Empire. In the German Empire, the place was called Birnai.
The place is now called Brná nad Labem (Ústí n. Labem-Brná) and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Birnai | Austro-Hungary | Aussig | before the Treaty of Saint-Germain |
| Brná | Austro-Hungary | Aussig | before the Treaty of Saint-Germain |
| Brná | Czechoslovakia | Ústí nad Labem | after the Treaty of Saint-Germain |
| Birnai | Czechoslovakia | Ústí nad Labem | after the Treaty of Saint-Germain |
| Birnai | German Empire | Aussig | 1938 |
| Brná | Czechoslovakia | Ústí nad Labem | 1945 |
| Brná nad Labem (Ústí n. Labem-Brná) | Czechoslovakia | Ústí nad Labem | 1992 |
| Brná nad Labem (Ústí n. Labem-Brná) | Czech Republic | Ústí nad Labem | 1993 |