San Gimignano is a hill town in Tuscany located south-west of Florence. Surrounded by 13th century walls, the centerpiece of its historic center is Piazza della Cisterna, a triangular square flanked by medieval houses. In the skyline of medieval towers stands the Torre Grossa in stone. The Cathedral of San Gimignano is a 12th century church where it is possible to admire the frescoes by Ghirlandaio in the Chapel of Santa Fina.