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