Dorn-Aujest was formerly part of the German Empire. In the German Empire, the place was called Trněný Újezd.
The place is now called Trněný Újezd and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Aujezd Trněny | Austro-Hungary | Smichow | before the Treaty of Saint-Germain |
| Trněný Újezd | Austro-Hungary | Smichow | before the Treaty of Saint-Germain |
| Trněný Oujezd | Austro-Hungary | Smichow | before the Treaty of Saint-Germain |
| Trněný Újezd | Czechoslovakia | Smíchov | after the Treaty of Saint-Germain |
| Dorn-Aujest | German Empire | Prag | 1939 |
| Trněný Újezd | German Empire | Prag | 1939 |
| Trněný Újezd | Czechoslovakia | Kralupy nad Vltavou | 1945 |
| Trněný Újezd | Czechoslovakia | Kladno | 1992 |
| Trněný Újezd | Czech Republic | Kladno | 1993 |