Altdorf was formerly part of the German Empire. In the German Empire, the place was called Freialtdorf.
The place is now called Francaltroff and belongs to France.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Altdorf | German Empire | Château-Salins | before the Versailles Treaty |
| Freialtdorf | German Empire | Château-Salins | before the Versailles Treaty |
| Altroff | France | Moselle | after the Versailles Treaty |
| Freialtdorf | German Empire | Salzburgen | 1940 |
| Francaltroff | France | Moselle | 1945 |
| Francaltroff | France | Moselle | 1993 |