A principality (or princedom)'s 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. Terminology Some have never been an actual polity, but simply a territorial denomination in chief of which a princely style's held, with or even without an often more modest estate or income, both of which may even be (at least partially) outside the geo… (More on Principalities)