 As natural etymological evolution occurred, the segmentation of the initial vowel "O" was confused with the masculine singular article in Galician and is translated as "El" in Spanish .It is a small peninsula joined to the mainland by an isthmus known as O Vao, leading to the A Lanzada beach to the west and the wide intertidal marsh complex Umia-O Grove to the east, which connects with the town of Sanxenxo.Likewise, in O Grove is the small island of A Toxa which is accessed by a bridge from the early twentieth century.