Eisenberg was formerly part of the German Empire. In the German Empire, the place was called Eisenberg.
The place is now called Jezeří and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Eisenberg | Austro-Hungary | Komotau | before the Treaty of Saint-Germain |
| Eisenberk | Austro-Hungary | Komotau | before the Treaty of Saint-Germain |
| Jezeří | Czechoslovakia | Chomutov | after the Treaty of Saint-Germain |
| Eisenberg | Czechoslovakia | Chomutov | after the Treaty of Saint-Germain |
| Eisenberg | German Empire | Komotau | 1938 |
| Jezeří | Czechoslovakia | Chomutov | 1945 |
| Jezeří | Czechoslovakia | Most | 1992 |
| Jezeří | Czech Republic | Most | 1993 |