Piateda is a comune (municipality) in the Province of Sondrio in the Italian region Lombardy , located about 100 kilometres (62 mi) northeast of Milan and about 5 kilometres (3 mi) east of Sondrio. As of 31 December 2004, it had a population of 2,291 and an area of 70.9 square kilometres (27.4 sq mi).

Piateda borders the following municipalities: Albosaggia , Caiolo , Carona, Faedo Valtellino , Montagna in Valtellina , Poggiridenti , Ponte in Valtellina , Tresivio , Valbondione .

It is located alongside the Adda river.