Vlastkovec was formerly part of the German Empire. In the German Empire, the place was called Laskes.
The place is now called Vlastkovec and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Laskes | Austro-Hungary | Datschitz | before the Treaty of Saint-Germain |
| Laskovec | Austro-Hungary | Datschitz | before the Treaty of Saint-Germain |
| Vlastkovec | Czechoslovakia | Dačice | after the Treaty of Saint-Germain |
| Laskes | Czechoslovakia | Dačice | after the Treaty of Saint-Germain |
| Laskes | German Empire | Waidhofen an der Thaya | 1938 |
| Vlastkovec | Czechoslovakia | Dačice | 1945 |
| Vlastkovec | Czechoslovakia | Jindřichův Hradec | 1992 |
| Vlastkovec | Czech Republic | Jindřichův Hradec | 1993 |