Grand Duchy of Saxe-Weimar-Eisenachball

The Grand Duchy of Saxe-Weimar-Eisenach is a German duchy.

History
It was created as a duchy in 1809 by the merger of the Ernestine duchies of Saxe-Weimar and Saxe-Eisenach. It was raised to a Grand Duchy in 1815 thanks to the Vienna Congress, In 1903, it officially changed its name to the Grand Duchy of Saxony, but this name was rarely used.