Vostítsa

Vostitsa, the medieval name of modern Aigio, lies on the northern coast of the Peloponnese facing the Gulf of Corinth. After the Crusader conquest, it became the centre of one of the original baronies of the Principality of Achaea, established around 1209. The barony was associated with the Charpigny family and initially comprised eight knights' fiefs.

Vostitsa remained in Latin hands into the fourteenth century as Byzantine power expanded elsewhere in the peninsula. Its lordship changed hands repeatedly, passing to Nerio Acciaioli in 1363 and later to the Navarrese Company. In 1428 it fell to Theodore Palaiologos, despot of the Morea, who transferred it to his brother Constantine.