Purchase of Corbera by Alfonso the Magnanimous Historical milestone · Corbera, La Ribera Baixa, Valencia Image of Corbera, not of the place itself. Conquered in 1248 and in the hands of the Vilaragut for generations, the barony was acquired by King Alfonso the Magnanimous in 1418 and incorporated into the royal patrimony. The castle above the sierra went on controlling the passage towards the south. 1418 Photo: tadeo (CC BY 2.0) What to see and do in Corbera