Vaie is a comune in the Metropolitan City of Turin in the Italian region Piedmont, located about 35 kilometres west of Turin in the Susa Vall…Vaie is a comune in the Metropolitan City of Turin in the Italian region Piedmont, located about 35 kilometres west of Turin in the Susa Valley. As of 31 December 2004, it had a population of 1,413 and an area of 7.1 square kilometres.