San Marzano region. GMO free. San Marzano Region Tomatoes are grown in the fertile volcanic soil near Mount Vesuvius. The unique properties of the soil create delicate, tender tomatoes that are mildly sweet and low in acidity. Our diced tomatoes serve as ready-to-go bases for classic sauces served throughout homes and famous trattorias of Italy. What will you create? Like us on Facebook! facebook.com/raccontoitalianfoods. Follow us on Twitter! At raccontofoods. Racconto.com. Certified organic by bioagricert. Product of Italy.