A Capela de Santo António situa-se no castelo de Montemor, e é constituída por uma nave única com três capelas. Segundo alguns, foi construída no século XI e, segundo outros, no século XVI. Foi remodelada no século XIX, perdendo o seu carácter original. Recentemente, foi reaberta após um projeto de renovação, tendo sido transformada num espaço cultural da vila.

The Chapel of St Anthony is located in the castle of Montemor and consists of a single nave with three chapels. According to some, it was built in the 11th century and, according to others, in the 16th century. It was remodelled in the 19th century and lost its original character. Recently, it was reopened after a renovation project, having been transformed into a cultural centre for the town.