Olešno was formerly part of the German Empire. In the German Empire, the place was called Wolleschno.
The place is now called Olešno and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Wolleschno | Austro-Hungary | Dauba | before the Treaty of Saint-Germain |
| Olešno | Austro-Hungary | Dauba | before the Treaty of Saint-Germain |
| Olešno | Czechoslovakia | Dubá | after the Treaty of Saint-Germain |
| Woleschno | Czechoslovakia | Dubá | after the Treaty of Saint-Germain |
| Woleschno | German Empire | Dauba | 1938 |
| Wolleschno | German Empire | Dauba | 1938 |
| Olešno | Czechoslovakia | Doksy | 1945 |
| Olešno | Czechoslovakia | Mělník | 1992 |
| Olešno | Czech Republic | Mělník | 1993 |