Champagne is a sparkling wine that originates exclusively from a region of France known as the Champagne region, approximately 80 miles (130 km) northeast of Paris.
Champagne is primarily a Chardonnay, Pinot Noir, and Pinot Meunier grape variety made using a more costly production ‘traditional-method.’
A standard 6 oz serving of Brut Champagne Brut has between 91 and 98 calories (alcohol 12% volume.)
Similarly, Prosecco is an Italian sparkling wine made in Veneto, Italy about 15 miles (24 km) north of Venice.
A standard 6 oz serving of Extra-Dry Prosecco has between 90 and 98 calories (alcohol 11% volume.)
You should expect to pay upwards of £35 for a decent entry-level Champagne. While a bottle of Prosecco is priced between £12 and £26 for more premium selections.