Santorini Volcanic Terroir promotes the PDO Protected Designation of Origin Santorini Products; Santorini Wine, Santorini Tomato and Santorini Fava. PDO is a QUALITY MARK used by the EU to identify, promote and protect a name of a quality agricultural product or food. Santorini products originate from a unique in the world volcanic terroir and each one has exquisite characteristics. SantoWines, the Union ...