San Marzano tomato tomatoes sold commercially are grown in Italy, though they are produced commercially in smaller quantities in other countries. Because of San Marzano's premium pricing, there is an ongoing battle against fraudulent product. On November 22, 2010, the Italian carabinieri confiscated 1,470 tons of canned tomatoes worth €1.2 million of improperly labeled product. San Marzano tomatoes, along with Roma tomatoes, have been designated as the only tomatoes that can be used for Vera Pizza Napoletana (True Neapolitan Pizza). San Marzano tomatoes originate from the small town of San Marzano sul Sarno, near Naples, Italy, and were first grown in volcanic soil
San Marzano Oliveto San Marzano Oliveto San Marzano Oliveto is a "comune" (municipality) in the Province of Asti in the Italian region Piedmont, located about southeast of Turin and about southeast of Asti. San Marzano Oliveto is located in a panoramic position above sea level. It is easily visible from the SS6 road that runs from Canelli to Asti. San Marzano was named after St. Marcian of Tortona, the first Bishop of Tortona (or perhaps a bishop of Ravenna), who was martyred in 2nd century by the Roman emperor Hadrian. The suffix "Oliveto" was added in 1862 because olives were said to have