Luk was formerly part of the German Empire. In the German Empire, the place was called Luká.
The place is now called Luká and belongs to Czechoslovakia.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Luka | Austro-Hungary | Littau | before the Treaty of Saint-Germain |
| Luká | Czechoslovakia | Litovel | after the Treaty of Saint-Germain |
| Luk | German Empire | Littau | 1939 |
| Luká | German Empire | Littau | 1939 |
| Luká | Czechoslovakia | Litovel | 1945 |
| Luká | Czechoslovakia | Severní Morava | 1992 |