1865. From Italian Chianti DOCG wine. Bertolli Chianti Red Wine Vinegar derives its distinguished flavor from a blend of specially selected Italian Chianti DOCG (DOCG = Denominazione di Orgiine Controllato e Garantita is a quality assurance certification for Italin wines following stringenet regulations ,regarding quality process and origin) Wine,. Try it on salads, in dressings, sauces, marinaes and other gourmet recipes. Acidity 7%. bertolli.com. Questions or comments? 1-800-908-9789 or visit bertolli.com. Country of Origin: Italy.