Sanger was formerly part of the German Empire. In the German Empire, the place was called Sengern.
The place is now called Sengern and belongs to France.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Sengern | German Empire | Gebweiler | before the Versailles Treaty |
| Sanger | France | Haut-Rhin | after the Versailles Treaty |
| Sengern | German Empire | Gebweiler | 1940 |
| Sengern | France | Haut-Rhin | 1945 |
| Sengern | France | Haut-Rhin | 1993 |