Ocaña is a municipality of Spain, located in the province of Toledo, within the autonomous community of Castilla–La Mancha. It lies in the central part of the country, south of Madrid, in a region historically associated with the broader Castilian plateau.
As a municipality, Ocaña forms part of the local administrative structure of the province of Toledo, one of the five provinces that make up Castilla–La Mancha. The surrounding area is part of the comarca of Mesa de Ocaña, a district named for the town itself.
Ocaña is known for its historic town centre, which preserves landmarks including the Plaza Mayor and the Fuente Grande, as well as religious and civil buildings dating from various periods of Spanish history. The town has long served as a local hub for the surrounding agricultural countryside.