Ladung was formerly part of the German Empire. In the German Empire, the place was called Ladung.
The place is now called Lesná and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Ladung | Austro-Hungary | Brüx | before the Treaty of Saint-Germain |
| Ladung | Czechoslovakia | Most | after the Treaty of Saint-Germain |
| Ladung | German Empire | Brüx | 1938 |
| Ladung | Czechoslovakia | Horní Litvínov/Litvínov | 1945 |
| Lesná | Czechoslovakia | Horní Litvínov/Litvínov | 1945 |
| Lesná | Czechoslovakia | Most | 1992 |
| Lesná | Czech Republic | Most | 1993 |