Zafra castle, Guadalajara, Spain.

The Castle of Zafra is a 12th-century castle in the municipality of Campillo de Dueñas, in Guadalajara, Spain. Built in the late 12th or early 13th century on a sandstone outcrop in the Sierra de Caldereros, it stands on the site of a former Visigothic and Moorish fortification that fell into Christian hands in 1129.