The Principality of Achaea or Principality of Morea was one of the vassal states of the Latin Empire, which replaced the Byzantine Empire after the capture of Constantinople during the Fourth Crusade.

Richard Orsini was the count palatine of Cephalonia and Zakynthos from before 1260 to his death in 1303/4, and also Count of Gravina in 1284–91. He also served on behalf of the Angevin Kingdom of Napl