Retaun was formerly part of the German Empire. In the German Empire, the place was called Rzettaun.
The place is now abandoned and the area belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Rzettaun | Austro-Hungary | Leitmeritz | before the Treaty of Saint-Germain |
| Řetouň | Austro-Hungary | Leitmeritz | before the Treaty of Saint-Germain |
| Řetouň | Czechoslovakia | Litoměřice | after the Treaty of Saint-Germain |
| Řetaun | Czechoslovakia | Litoměřice | after the Treaty of Saint-Germain |
| Retaun | German Empire | Leitmeritz | 1938 |
| Řetaun | German Empire | Leitmeritz | 1938 |
| Rzettaun | German Empire | Leitmeritz | 1938 |
| Řetouň | Czechoslovakia | Litoměřice | 1945 |
| - aufgelassen - | Czechoslovakia | Ústí nad Labem | 1992 |
| - aufgelassen - | Czech Republic | Ústí nad Labem | 1993 |