NN was formerly part of the German Empire. In the German Empire, the place was called NN.
The place is now called Břeclav * and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Altenmarkt | Austro-Hungary | Göding | before the Treaty of Saint-Germain |
| Stará Břeclav | Austro-Hungary | Göding | before the Treaty of Saint-Germain |
| Stará Břeclava | Austro-Hungary | Göding | before the Treaty of Saint-Germain |
| Stará Břeclav (Břeclav-Stará Břeclav) | Czechoslovakia | Hodonín | after the Treaty of Saint-Germain |
| NN | German Empire | Nikolsburg | 1938 |
| NN | Czechoslovakia | Břeclav | 1945 |
| Břeclav * | Czechoslovakia | Břeclav | 1992 |
| Břeclav * | Czech Republic | Břeclav | 1993 |