Onda is a town in eastern Spain, in the province of Castelló, part of the autonomous community of Valencia. It has 24,859 inhabitants. The Sitjar dam, located close to Onda, is an important feature for the irrigation of the nearby fields with water from the Millars River. Notable residents Ibn al-Abbar (1199–1260), poet, diplomat, theologian, and scholar Zayyan ibn Mardanish (fl. 1229–1270) Vicente Alejandro Guillamón (born 1930), journalist and writer Enrique Saura (born 1954), footballer José Ramos Castillo (born 1974), Paralympic swimmer Patricia Campos Doménech (born 1977), naval aviator and football coach Vicente Ballester (born 1980), cyclist Víctor Cabedo (1989–2012), cyclist References External links Web de l'Ajuntament d'Onda Institut Valencià d'Estadística. Portal de la Direcció General d'Administració Local de la Generalitat. Portal de l'Ajuntament d'Onda, d'on s'ha extret informació. Municipalities in the Province of Castellón Plana Baixa