NN was formerly part of the German Empire. In the German Empire, the place was called Burggarten (Diedenhofen-Burggarten).
The place is now called NN and belongs to France.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Beauregard (Diedenhofen-Beauregard) | German Empire | Diedenhofen | before the Versailles Treaty |
| Beauregard (Thionville-Beauregard) | France | Moselle | after the Versailles Treaty |
| Burggarten (Diedenhofen-Burggarten) | German Empire | Diedenhofen | 1940 |
| NN | France | Moselle | 1945 |
| NN | France | Moselle | 1993 |