sovereign
leader of a monarchy
sultan
noble title with several historical meanings
hospodar
older title meaning "Lord" in Moldova and Wallachia
Chinese sovereign
ruler of a particular regime in ancient and imperial China
tetrarch
official position
ariki
member of a hereditary chiefly or noble rank in Polynesia
giudice
Historical Sardinian sovereign
King of Bohemia
ruler of Kingdom of Bohemia
monarch
person at the head of a monarchy
Ban
an official with special territorial powers in the Kingdom of Hungary
exarch
former political and military office; now an ecclesiastical office
King of Bavaria
monarch of the Kingdom of Bavaria (1805-1918)
monarch of the Crown of Aragon
head of the royal house of Aragon. head of the Crown of Aragon
King of Hanover
head of state and hereditary ruler of the Kingdom of Hanover
sovereign of Navarre
(1162-1839) ruler in his own right of the Kingdom of Navarre
Monarch of Spain
Position of the Head of State of Spain
list of Safavid monarchs
Wikimedia list article
queen
class of female monarch