Authentic Neapolitan pizza (pizza napoletana) is made with San Marzano tomatoes, grown on the volcanic plains south of Mount Vesuvius, and mozzarella di bufala Campana, made with milk from water buffalo raised in the marshlands of Campania and Lazio. This mozzarella is protected with its own European protected designation of origin. Other traditional pizzas include pizza alla marinara, which is topped with marinara sauce and is supposedly the most ancient tomato-topped pizza,