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