Millay was formerly part of the German Empire. In the German Empire, the place was called Milay.
The place is now called Milá and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Millay | Austro-Hungary | Dux | before the Treaty of Saint-Germain |
| Milá | Austro-Hungary | Dux | before the Treaty of Saint-Germain |
| Milá | Czechoslovakia | Duchcov | after the Treaty of Saint-Germain |
| Milay | Czechoslovakia | Duchcov | after the Treaty of Saint-Germain |
| Millay | German Empire | Bilin | 1938 |
| Milay | German Empire | Bilin | 1938 |
| Milá | Czechoslovakia | Bílina | 1945 |
| Milá | Czechoslovakia | Most | 1992 |
| Milá | Czech Republic | Most | 1993 |