Unter-Langendorf was formerly part of the German Empire. In the German Empire, the place was called Unter Langendorf.
The place is now called Dlouhá Loučka and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Unter-Langendorf | Austro-Hungary | Littau | before the Treaty of Saint-Germain |
| Dolní Dlouhá Loučka | Austro-Hungary | Littau | before the Treaty of Saint-Germain |
| Dolní Dlouhá Loučka | Czechoslovakia | Šternberk | after the Treaty of Saint-Germain |
| Unter-Langendorf | Czechoslovakia | Šternberk | after the Treaty of Saint-Germain |
| Unter Langendorf | German Empire | Sternberg | 1938 |
| Dolní Dlouhá Loučka | Czechoslovakia | Šternberk | 1945 |
| Dlouhá Loučka | Czechoslovakia | Olomouc | 1992 |
| Dlouhá Loučka | Czech Republic | Olomouc | 1993 |