The Adige (Italian: Adige Italian pronunciation: [ˈaːdidʒe]; German: Etsch; Venetian: Àdexe; Ladin: Adesc; Latin: Athesis; Ancient Greek: Ἄθεσις) is a river with its source in the Alpine province of South Tyrol near the Italian border with Austria and Switzerland. At 410 kilometres (250 mi) in length, it is the second longest river in Italy, after the Po river at 652 kilometres (405 mi).