Weltrus was formerly part of the German Empire. In the German Empire, the place was called Veltrusy.
The place is now called Veltrusy and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Weltrus | Austro-Hungary | Schlan | before the Treaty of Saint-Germain |
| Veltrusy | Austro-Hungary | Schlan | before the Treaty of Saint-Germain |
| Veltrusy | Czechoslovakia | Kralupy nad Vltavou | after the Treaty of Saint-Germain |
| Weltrus | German Empire | Kralup an der Moldau | 1939 |
| Veltrusy | German Empire | Kralup an der Moldau | 1939 |
| Veltrusy | Czechoslovakia | Kralupy nad Vltavou | 1945 |
| Veltrusy | Czechoslovakia | Mělník | 1992 |
| Veltrusy | Czech Republic | Mělník | 1993 |