Neu-Langwasser was formerly part of the German Empire. In the German Empire, the place was called Neu Langwasser.
The place is now called Dlouhá Voda * and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Neu-Langwasser | Austro-Hungary | Jägerndorf | before the Treaty of Saint-Germain |
| Nová Dlouhá Voda | Austro-Hungary | Jägerndorf | before the Treaty of Saint-Germain |
| Nová Dlouhá Voda | Czechoslovakia | Krnov | after the Treaty of Saint-Germain |
| Neu-Langwasser | Czechoslovakia | Krnov | after the Treaty of Saint-Germain |
| Neu Langwasser | German Empire | Jägerndorf | 1938 |
| Nová Dlouhá Voda | Czechoslovakia | Krnov | 1945 |
| Dlouhá Voda * | Czechoslovakia | Bruntál | 1992 |
| Dlouhá Voda * | Czech Republic | Bruntál | 1993 |