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 to the history of Canelli. All were involved in the struggle between Asti, Alessandria and the Marquisate of Montferrat. From the mid-14th century San Marzano Oliveto was a fief of the Asinari, who also owned Costigliole d'Asti, Moasca and other villages. In 1280 Bonifacio Asinari, a rich merchant from Asti, left his wealth to his children, Bonifacio and Tommaso, who subsequently became the owners of San Marzano. In 1771, Philip Valentino Asinari became the first Marquis of San Marzano and Caraglio; his son Filippo Maria Antonio became a State Councilor, sent by Napoleon Bonaparte as ambassador to Berlin. In 1808