Peia is a comune in the Province of Bergamo in the Italian region of Lombardy, located about 70 kilometres northeast of Milan and about …Peia is a comune in the Province of Bergamo in the Italian region of Lombardy, located about 70 kilometres northeast of Milan and about 20 kilometres northeast of Bergamo. As of 31 December 2004, it had a population of 1,817 and an area of 4.4 square kilometres.