Dub was formerly part of the German Empire. In the German Empire, the place was called Daub.
The place is now called Dub and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Daub | Austro-Hungary | Mährisch-Weißkirchen | before the Treaty of Saint-Germain |
| Dub | Austro-Hungary | Mährisch-Weißkirchen | before the Treaty of Saint-Germain |
| Dub | Czechoslovakia | Hranice | after the Treaty of Saint-Germain |
| Daub | Czechoslovakia | Hranice | after the Treaty of Saint-Germain |
| Daub | German Empire | Neu Titschein | 1938 |
| Dub | Czechoslovakia | Hranice | 1945 |
| Dub | Czechoslovakia | Nový Jičín | 1992 |
| Dub | Czech Republic | Nový Jičín | 1993 |