Moresnet-Neutre was formerly part of the German Empire. In the German Empire, the place was called Altenberg.
The place is now called Kelmis and belongs to Belgium.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Neutral-Moresnet | German General Government of Belgium | Belgisch-Deutsches Gen.-Gouv. | before the Versailles Treaty |
| Moresnet-Neutre | Belgium | Liège | after the Versailles Treaty |
| Altenberg | German Empire | Eupen (einschl. Moresnet) | 1940 |
| La Calamine | Belgium | Liège | 1945 |
| Kelmis | Belgium | Lüttich/Liège | 1993 |