In the case of Prosecco, it's a bit more confusing. Prosecco is both a geographic designation and the former name of the region's primary grape variety, which is now called Glera. read more
However, as Prosecco (the wine) is a protected term, but the grape is grown throughout the world, some kind of differentiation was necessary. Glera is one of the several synonyms for the grape Prosecco. read more
Glera is a long-standing synonym of northern Italy's Prosecco grape, and the name by which it is now officially known. This green-skinned variety has been grown for hundreds of years in the Veneto and Friuli regions, most famously to produce sparkling Prosecco wines. read more
The following varieties are traditionally used with Glera up to a maximum of 15% of the total: Verdiso, Bianchetta Trevigiana, Perera, Glera lunga, Chardonnay, Pinot Bianco, Pinot Grigio and Pinot Noir. read more