public square in the northeast quadrant of walled center of Lucca, region of Tuscany, Italy. The ring of buildings surrounding the square, follows the elliptical shape of the former second century Roman Amphitheater of Lucca. The square can be reached through four gateways located at the four vertices of the ellipse. A cross is carved into the central tile of the square with the arms pointing to the four gateways of the square.