Trnovec was formerly part of the German Empire. In the German Empire, the place was called Dörnlein.
The place is now called Trnovec and belongs to Slovenia.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Ternowetz | Austro-Hungary | Marburg/Maribor | before the Treaty of Saint-Germain |
| Trnovec | Austro-Hungary | Marburg/Maribor | before the Treaty of Saint-Germain |
| Trnovec | Yugoslavia | Maribor desni breg | after the Treaty of Saint-Germain |
| Dörnlein | German Empire | Marburg an der Drau | 1941 |
| Trnovec | Yugoslavia | Maribor | 1945 |
| Trnovec | Yugoslavia | Socialistična rep. Slovenija | 1992 |
| Trnovec | Slovenia | Slowenien | 1991 |