grand duchy
country or territory whose official head of state or ruler is a monarch bearing the title of grand duke or grand duchess
Grand Principality of Finland
predecessor state of modern Finland
Grand Duchy of Tuscany
former Italian state (1569–1801; 1815–1859)
Saxe-Weimar-Eisenach
Duchy and Grand Duchy in present-day Thuringia
Grand Duchy of Hesse
member state of the German Confederation & the German Empire (1806–1918)
Grand Duchy of Mecklenburg-Schwerin
grand duchy
Grand Duchy of Cracow
grand duchy in Eastern Europe between 1846–1918
Grand Duchy of Oldenburg
grand duchy
Grand Duchy of Berg
grand duchy
Grand Duchy of Baden
German grand duchy (1806-1918)
Grand Duchy of Baden
German grand duchy (1806-1918)
Grand Duchy of Posen
Polish client state of the Kingdom of Prussia (1815-48)
grand principality
country or territory whose official head of state or ruler is a monarch bearing the title of grand prince or grand principality
Luxembourg
country in Northwestern Europe