Prosecco is currently the UK's most imported drink. Where's it from? What's it all about and how can you spot a good one? Prosecco is the name of a region in north-east Italy. Prosecco used to be the name of the grape, but they changed that grape's name to Glera. So Glera is the grape that makes the drink Prosecco from the region of Italy called Prosecco. Got that! If any wine wants to be called Prosecco it has to be produced in this region. Prosecco is a sparkling white wine