Mladeč was formerly part of the German Empire. In the German Empire, the place was called Mladeč.
The place is now called Mladec and belongs to Czechoslovakia.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Lautsch | Austro-Hungary | Littau | before the Treaty of Saint-Germain |
| Mlač | Austro-Hungary | Littau | before the Treaty of Saint-Germain |
| Mladeč | Czechoslovakia | Litovel | after the Treaty of Saint-Germain |
| Lautsch | German Empire | Littau | 1939 |
| Mladeč | German Empire | Littau | 1939 |
| Mladec | Czechoslovakia | Litovel | 1945 |
| Mladec | Czechoslovakia | Severní Morava | 1992 |