The Barony of Kalavryta was a medieval Frankish fiefdom of the Principality of Achaea, located in the Peloponnese peninsula in Greece, centred on the town of Kalavryta (Greek: Καλάβρυτα; French: La Colo[u]vrate).
1209, after the conquest of the Peloponnese by the Crusaders, and was one of the original twelve secular baronies within the Principality of Achaea.
The Chronicle of the Morea mentions that the barony, centred on the mountain town of Kalavryta, comprised twelve knight's fiefs, with Otho of Durnay as the first baron.
Antoine Bon suggests that it was captured during the early 1270s, when the Greek offensives broke through the Frankish defences in Arcadia, and not, as Karl Hopf suggests, in the first round of Greek offensives ca.
[5] Geoffrey of Durnay is attested as holding the barony of "La Grite" after 1278, which, according to Bon, is to be identified with the vacant Barony of Gritzena, apparently given to the Durnays as compensation.