The House of Castro is a prominent noble family from Galicia, in northwestern Spain. It played a significant role in the region's history, particularly during the Middle Ages. The family is known for its influence in local politics and its connections to the Spanish monarchy. Members of the House of Castro often held important titles and positions, such as counts and dukes. Their legacy includes various historical buildings and estates, which reflect their wealth and status. The family's contributions to Galician culture and society are still recognized today.