Pustý Zejf was formerly part of the German Empire. In the German Empire, the place was called NN.
The place is now called Pustá Rudná and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Lauterseifen | Austro-Hungary | Freudenthal | before the Treaty of Saint-Germain |
| Pustý Zejf | Czechoslovakia | Bruntál | after the Treaty of Saint-Germain |
| Lauterseifen | Czechoslovakia | Bruntál | after the Treaty of Saint-Germain |
| NN | German Empire | Freudenthal | 1938 |
| NN | Czechoslovakia | Bruntál | 1945 |
| Pustá Rudná | Czechoslovakia | Bruntál | 1992 |
| Pustá Rudná | Czech Republic | Bruntál | 1993 |