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