The Dolmen de Viera is a prehistoric burial site located in the region of Andalusia, Spain. It dates back to the Neolithic period and is part of a larger group of megalithic structures known as dolmens. The site features a large stone chamber covered by a mound of earth, which was used for communal burials. This dolmen is notable for its impressive size and the intricate arrangement of its stones. It is one of the best-preserved examples of its kind in the Cádiz province and provides valuable insights into the burial practices and social structures of ancient communities in Southern Europe.