Sádek was formerly part of the German Empire. In the German Empire, the place was called Zottig.
The place is now abandoned and the area belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Zottig | Austro-Hungary | Jägerndorf | before the Treaty of Saint-Germain |
| Sádek | Austro-Hungary | Jägerndorf | before the Treaty of Saint-Germain |
| Sadki | Austro-Hungary | Jägerndorf | before the Treaty of Saint-Germain |
| Sádek | Czechoslovakia | Krnov | after the Treaty of Saint-Germain |
| Zottig | Czechoslovakia | Krnov | after the Treaty of Saint-Germain |
| Zottig | German Empire | Jägerndorf | 1938 |
| Sádek | Czechoslovakia | Krnov | 1945 |
| - aufgelassen - | Czechoslovakia | Bruntál | 1992 |
| - aufgelassen - | Czech Republic | Bruntál | 1993 |