CHICLANA, DE LA FRONTERA, a town of southern Spain, in the province of Cadiz, 12m. S.E. of Cadiz. Pop. (193o) 15,090. Owing to its position in the fertile, sheltered valley of the Irio, facing the Gulf of Cadiz, 3m. W., Chiclana is the centre of a great fruit and vine growing district, and is the favourite summer residence of wealthy Cadiz merchants. Its hot mineral springs also attract many visitors. About 5m. S. is Barrosa, where the British under Sir Thomas Graham (Lord Lynedoch) defeated the French under Marshal Victor, on March 5, 1811.