Nieder-Langenau was formerly part of the German Empire. In the German Empire, the place was called Nieder Langenau.
The place is now called Dolní Lánov and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Nieder-Langenau | Austro-Hungary | Hohenelbe | before the Treaty of Saint-Germain |
| Dolní Lanov | Austro-Hungary | Hohenelbe | before the Treaty of Saint-Germain |
| Dolní Lánov | Czechoslovakia | Vrchlabí | after the Treaty of Saint-Germain |
| Nieder-Langenau | Czechoslovakia | Vrchlabí | after the Treaty of Saint-Germain |
| Nieder Langenau | German Empire | Hohenelbe | 1938 |
| Dolní Lánov | Czechoslovakia | Vrchlabí | 1945 |
| Dolní Lánov | Czechoslovakia | Trutnov | 1992 |
| Dolní Lánov | Czech Republic | Trutnov | 1993 |