Church of San Eugenio Obispo Monument · Navas del Rey, Sierra Oeste, Madrid A church ordered built in 1782 by Cardinal Lorenzana, when the town ceased to depend in ecclesiastical terms on the monastery of Valdeiglesias and on San Martín; its patron, Saint Eugene of Toledo, is celebrated on 15 November. Photo: Dirección General de Turismo. Consejería de Economía e Innovación Tecnológica. Comunidad de Madrid. (CC BY 3.0 es) What to see and do in Navas del Rey