Piedmont is a region of Northwest Italy, one of the 20 regions of Italy. It borders the Liguria region to the south, the Lombardy and Emilia-Romagna regions to the east, and the Aosta Valley region to the northwest; it also borders Switzerland to the north and France to the west. It has an area of 25,402 km2 making it the second largest region of Italy after Sicily; as of 31 January 2021, the population was 4,269,714.