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 Duchy of Tuscany
Saxe-Weimar-Eisenach
Grand Duchy of Mecklenburg-Schwerin
Grand Duchy of Posen
Grand Duchy of Baden
Grand Duchy of Baden
Grand Duchy of Hesse
Grand Duchy of Berg
Luxembourg
Province Grand Duchy of the Lower Rhine
Grand Duchy of Finland
Grand Duchy of Cracow
Grand Duchy of Oldenburg