Duchy (The Duchy of Warsaw (1807-1815)) (Q800)
administrative unit of the 4th level of the secular administration system: The Duchy of Warsaw (1807-1815)
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Duchy (The Duchy of Warsaw (1807-1815)) |
administrative unit of the 4th level of the secular administration system: The Duchy of Warsaw (1807-1815) |