A principality (or princedom) is a monarchical feudatory or sovereign state, ruled or reigned over by a monarch with the title of prince or princess, or (in the widest sense) a monarch with another title within the generic use of the term prince. Currently the largest principality in the world is Wales in the United Kingdom. Terminology Some have never been an actual polity, but simply a territorial denomination in chief of which a princely style is held, with or even without an often more mode… (More on Principality)