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