the territory ruled by an archduke or archduchess
Origin of archduchyFrench archiduché: see arch- and amp; duchy
The territory over which an archduke or an archduchess has authority.
Origin of archduchyFrench archiduché, from obsolete French archeduché : arche-, arch- (from Old French; see arch–1) + duché, duchy (from Old French duche; see duchy).
- The territority (principality) of an archduke
- The archduchies Austria and Brabant (as well as its rival Gelre) claimed this rare, primordial vassalitic rank as the successors to the former Carolingian kingdom and first archduchy Lotharingia (the name later became Lorraine), which had been divided in an Upper - and a Lower dukedom within the Holy Roman Empire