Castle of Alcoutim

The Castle of Alcoutim is a medieval castle in the civil parish of Alcoutim, in the municipality of the same name, in the southeastern Algarve of Portugal. Built in the 13th century, the castle stands in a dominant position on a hill south of the parish seat of Alcoutim on the right bank of the San Marcos River, opposite the territory of Sanlúcar de Guadiana.

Source: Wikipedia