The province of Asti is a province in the Piedmont region of Italy. Its capital is the city of Asti. To the northwest it borders on the Metropolitan City of Turin; to the southwest it borders on the province of Cuneo. To the east it borders on the province of Alessandria, while in the south it shares a very short border with the Ligurian province of Savona. It has an area of 1,504.5 square kilometres, and, As of 2017, a total population of 215,871.