The term 'Sparkling Wine Region' can be summarized by the four-letter acronym ASTI, which stands for ASTI, Italy. ASTI is a city in the Piedmont region of northwest Italy and is known for its sparkling wines, such as ASTI Spumante. The area is also home to many other types of wines, including Barbera, Dolcetto, and Moscato. ASTI is one of the most important wine-producing regions in Italy and has been producing wines since the Middle Ages.