Unter-Ottaslawitz was formerly part of the German Empire. In the German Empire, the place was called Dolní Otaslavice.
The place is now called -Dolní Otaslavice (Otaslavice-) and belongs to Czechoslovakia.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Unterottaslawitz | Austro-Hungary | Proßnitz | before the Treaty of Saint-Germain |
| Otaslavice Dolní | Austro-Hungary | Proßnitz | before the Treaty of Saint-Germain |
| Dolní Otaslavice | Czechoslovakia | Prostějov | after the Treaty of Saint-Germain |
| Unter-Ottaslawitz | German Empire | Proßnitz | 1939 |
| Dolní Otaslavice | German Empire | Proßnitz | 1939 |
| Dolní Otaslavice | Czechoslovakia | Prostějov | 1945 |
| -Dolní Otaslavice (Otaslavice-) | Czechoslovakia | Jižní Morava | 1992 |