Bílka was formerly part of the German Empire. In the German Empire, the place was called Pilkau.
The place is now called Bílka and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Pilkau | Austro-Hungary | Teplitz-Schönau | before the Treaty of Saint-Germain |
| Bílka | Austro-Hungary | Teplitz-Schönau | before the Treaty of Saint-Germain |
| Bílka | Czechoslovakia | Teplice-Šanov | after the Treaty of Saint-Germain |
| Pilkau | Czechoslovakia | Teplice-Šanov | after the Treaty of Saint-Germain |
| Pilkau | German Empire | Teplitz-Schönau | 1938 |
| Bílka | Czechoslovakia | Teplice | 1945 |
| Bílka | Czechoslovakia | Teplice | 1992 |
| Bílka | Czech Republic | Teplice | 1993 |