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