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