Stolzenhain was formerly part of the German Empire. In the German Empire, the place was called Stolzenhain.
The place is now called Háj and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Stolzenhain | Austro-Hungary | Sankt Joachimsthal | before the Treaty of Saint-Germain |
| Stolzenhain | Czechoslovakia | Jáchymov | after the Treaty of Saint-Germain |
| Stolzenhain | German Empire | Sankt Joachimsthal | 1938 |
| Háj | Czechoslovakia | Jáchymov | 1945 |
| Háj | Czechoslovakia | Chomutov | 1992 |
| Háj | Czech Republic | Chomutov | 1993 |