Zadní Arnoštov was formerly part of the German Empire. In the German Empire, the place was called Hinter Ehrnsdorf.
The place is now called Zadní Arnoštov and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Hinter-Ehrensdorf | Austro-Hungary | Mährisch-Trübau | before the Treaty of Saint-Germain |
| Zadní Arnoštov | Austro-Hungary | Mährisch-Trübau | before the Treaty of Saint-Germain |
| Zadní Arnoštov | Czechoslovakia | Moravská Třebová | after the Treaty of Saint-Germain |
| Hinter-Ehrnsdorf | Czechoslovakia | Moravská Třebová | after the Treaty of Saint-Germain |
| Hinter Ehrnsdorf | German Empire | Mährisch Trübau | 1938 |
| Zadní Arnoštov | Czechoslovakia | Moravská Třebová | 1945 |
| Zadní Arnoštov | Czechoslovakia | Svitavy | 1992 |
| Zadní Arnoštov | Czech Republic | Svitavy | 1993 |