Montoy was formerly part of the German Empire. In the German Empire, the place was called Monten.
The place is now called Petit-Montoy and belongs to France.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Montoy | German Empire | Metz | before the Versailles Treaty |
| Montingen | German Empire | Metz | before the Versailles Treaty |
| Haut-Montoy | France | Moselle | after the Versailles Treaty |
| Petit-Montoy | France | Moselle | after the Versailles Treaty |
| Monten | German Empire | Metz | 1940 |
| Haut-Montoy | France | Moselle | 1945 |
| Petit-Montoy | France | Moselle | 1945 |
| Haut-Montoy | France | Moselle | 1993 |
| Petit-Montoy | France | Moselle | 1993 |