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