Xallas wetlands Nature · Santa Comba, Xallas, A Coruña Image of Santa Comba, not of the place itself. Poor drainage over wide areas of the concello has produced brañas and waterlogged meadows that became fixed in place names such as Braña Rica or Braña Rubia; they are habitats of great value within a heavily altered landscape. Photo: Elisardojm (CC BY-SA 4.0) What to see and do in Santa Comba