Unter-Tannowitz was formerly part of the German Empire. In the German Empire, the place was called Unter Tannowitz.
The place is now called Dolní Dunajovice and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Unter-Tannowitz | Austro-Hungary | Nikolsburg | before the Treaty of Saint-Germain |
| Dolní Dunajovice | Austro-Hungary | Nikolsburg | before the Treaty of Saint-Germain |
| Dolní Dunajovice | Czechoslovakia | Mikulov | after the Treaty of Saint-Germain |
| Unter-Tannowitz | Czechoslovakia | Mikulov | after the Treaty of Saint-Germain |
| Unter Tannowitz | German Empire | Nikolsburg | 1938 |
| Dolní Dunajovice | Czechoslovakia | Mikulov | 1945 |
| Dolní Dunajovice | Czechoslovakia | Břeclav | 1992 |
| Dolní Dunajovice | Czech Republic | Břeclav | 1993 |