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