The Italian wine-growing area of ASTI is located in the Piedmont region of northwest Italy. It is known for its sparkling white wines, such as Moscato d'ASTI, and its red wines, such as Barbera d'ASTI. The area is also home to some of the oldest wineries in the country, with many of them having been in operation since the Middle Ages. ASTI is one of the most important wine-producing regions in Italy, and its wines are highly sought after around the world.