Bílenec was formerly part of the German Empire. In the German Empire, the place was called Wilenz.
The place is now called Bílenec and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Wilenz | Austro-Hungary | Podersam | before the Treaty of Saint-Germain |
| Bílence | Austro-Hungary | Podersam | before the Treaty of Saint-Germain |
| Bílenec | Czechoslovakia | Podbořany | after the Treaty of Saint-Germain |
| Wilenz | Czechoslovakia | Podbořany | after the Treaty of Saint-Germain |
| Wilenz | German Empire | Podersam | 1938 |
| Bílenec | Czechoslovakia | Podbořany | 1945 |
| Bílenec | Czechoslovakia | Louny | 1992 |
| Bílenec | Czech Republic | Louny | 1993 |