OCANA, a town of Spain, in the province of Toledo, 35 miles S. of Madrid, and 26 E. of Toledo. It is an ancient town, built on the sides and top of a hill, and is surrounded by ruinous walls. The streets are narrow and ill built, but there are several handsome squares, churches, convents, schools, an hospital, and a prison. The town is supplied with water by a stone aqueduct of nineteen arches, supposed to have been built by the Romans. Manufactures of soap, bricks, earthenware, cloth, &c., are carried on. In the neighbourhood the Spaniards sustained in 1809 a signal defeat from the French. Pop. 4789.