Najfunk was formerly part of the German Empire. In the German Empire, the place was called Neufang.
The place is now called Stříbrné Hory and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Neufang | Austro-Hungary | Römerstadt | before the Treaty of Saint-Germain |
| Naifunk | Austro-Hungary | Römerstadt | before the Treaty of Saint-Germain |
| Najfunk | Czechoslovakia | Rýmařov | after the Treaty of Saint-Germain |
| Neufang | Czechoslovakia | Rýmařov | after the Treaty of Saint-Germain |
| Neufang | German Empire | Römerstadt | 1938 |
| Najfunk | Czechoslovakia | Rýmařov | 1945 |
| Stříbrné Hory | Czechoslovakia | Rýmařov | 1945 |
| Stříbrné Hory | Czechoslovakia | Bruntál | 1992 |
| Stříbrné Hory | Czech Republic | Bruntál | 1993 |