Betanzos (Galician pronunciation: [beˈtanθʊs]) is a municipality in the autonomous community of Galicia in northwestern Spain in the province of A Coruña. It belongs to the comarca of Betanzos. In Roman times Betanzos was called Flauvium Brigantium or Brigantium. During the Medieval period the settlement was known as Carunio. Other sights in the town are several town palaces, a 16th-century clock tower, and the town walls, which preserve three of their original four gates.