Ernestviller was formerly part of the German Empire. In the German Empire, the place was called Ernstweiler.
The place is now called Ernestviller and belongs to France.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Ernstweiler | German Empire | Forbach | before the Versailles Treaty |
| Ernestviller | France | Moselle | after the Versailles Treaty |
| Ernstweiler b. Saaralben | German Empire | Saargemünd | 1940 |
| Ernstweiler | German Empire | Saargemünd | 1940 |
| Ernestviller | France | Moselle | 1945 |
| Ernestviller | France | Moselle | 1993 |