Balsamic vinegar (Italian: aceto balsamico) is a very dark, concentrated, and intensely flavoured vinegar made wholly or partially from grape must, originating in Italy.
The term "aceto balsamico" is unregulated, but there are three protected balsamic vinegars: "Aceto Balsamico Tradizionale di Modena" (Traditional Balsamic Vinegar of Modena), "Aceto Balsamico Tradizionale di Reggio Emilia" (Traditional Balsamic Vinegar of Reggio Emilia), and "Aceto Balsamico di Modena" (Balsamic Vinegar of Modena). The two traditional balsamic vinegars are made the same way from reduced grape must aged for several years in a series of wooden barrels, and are produced exclusively in either the province of Modena or the wider Emilia region surrounding it. The names of these two vinegars are protected by the European Union's Protected Designation of Origin, while the usually less expensive Balsamic Vinegar of Modena (Aceto Balsamico di Modena) is made from grape must blended with wine vinegar, and produced exclusively in either Modena or Reggio Emilia, with a Protected Geographical Indication status.
Balsamic vinegar contains no balsam. The word balsamico (from Latin balsamum, from Greek βάλσαμον) means "balsam-like" in the sense of "restorative" or "curative".