Champagne is any sparkling wine produced in the Champagne region around Reims in France. It can get pretty pricey as demand often outstrips supply and it is a premium product - many Champagne houses use hand production techniques, which haven't changed much in 200 years.
Different styles of Champagne
There are many different styles of Champagne; what you buy is down to personal preference and budget.
Here’s a quick guide to the key styles: