Located on the homonymous square, the Church of Sant'Agostino is among the most beautiful in Tuscany and, in the village, second in importance only to the Cathedral. Inside there are renowned works of art, to the point of being able to consider the Church as a real museum. Here there are numerous masterpieces of sculpture and painting, dating back to the Middle Ages and the Renaissance. In the counter-façade of the Church there is the Chapel of San Bartolo, dedicated to the saint of the town. Finally, to note: the floor decorated with the original majolica tiles.