Zettlitz was formerly part of the German Empire. In the German Empire, the place was called Zettlitz.
The place is now called Sedlec (Karlovy Vary-Sedlec) and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Zettlitz | Austro-Hungary | Karlsbad | before the Treaty of Saint-Germain |
| Sedlec | Austro-Hungary | Karlsbad | before the Treaty of Saint-Germain |
| Sedlec | Czechoslovakia | Karlovy Vary | after the Treaty of Saint-Germain |
| Zettlitz | Czechoslovakia | Karlovy Vary | after the Treaty of Saint-Germain |
| Zettlitz | German Empire | Karlsbad | 1938 |
| Sedlec | Czechoslovakia | Karlovy Vary | 1945 |
| Sedlec (Karlovy Vary-Sedlec) | Czechoslovakia | Karlovy Vary | 1992 |
| Sedlec (Karlovy Vary-Sedlec) | Czech Republic | Karlovy Vary | 1993 |