Groß Mergthal was formerly part of the German Empire. In the German Empire, the place was called Groß Mergenthal.
The place is now called Mařenice and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Gross-Mergthal | Austro-Hungary | Gabel | before the Treaty of Saint-Germain |
| Velký Mergenthal | Austro-Hungary | Gabel | before the Treaty of Saint-Germain |
| Mařenice | Czechoslovakia | Německé Jablonné | after the Treaty of Saint-Germain |
| Groß-Mergthal | Czechoslovakia | Německé Jablonné | after the Treaty of Saint-Germain |
| Groß Mergthal | German Empire | Deutsch Gabel | 1938 |
| Groß Mergenthal | German Empire | Deutsch Gabel | 1938 |
| Mařenice | Czechoslovakia | Nový Bor | 1945 |
| Mařenice | Czechoslovakia | Česká Lípa | 1992 |
| Mařenice | Czech Republic | Česká Lípa | 1993 |