what varietal makes prosecco
Prosecco Wine. Prosecco is a sparkling white wine from north-eastern Italy, specifically the Veneto and Friuli-Venezia Giulia wine regions. It is also the informal name for the grape variety used to make these wines, which is known officially as Glera.ince July 2009, the name 'Prosecco' has been regulated and protected under DOC law, ensuring that wines labeled with the name come only from the specified areas of north-eastern Italy. Things are changing for Prosecco.