Metropolitan City of Venice had annexed Padua and Verona, and by the 16th century the republic included territories from the Julian Alps to Crema, Istria, Dalmatia, Cyprus and part of the Peloponnese. In 1797, Napoleon invaded the Republic and, following the Treaty of Campo Formio, it was ceded to Austria. After the final defeat of Napoleon, the Austrian Empire founded a province of Venice on the Adriatic. In 2015 this was converted to the current Metropolitan City. Facing east on the Northern Adriatic Sea, the Metropolitan City is bordered to the northeast by the Province of Udine and Province of Pordenone, south by the
Periplus of the Erythraean Sea believed to be the location of the ancient trade center of Opone. Ancient Egyptian, Roman and Persian Gulf pottery has been recovered from the site by an archaeological team from the University of Michigan. Opone is in the thirteenth entry of the "Periplus of the Erythraean Sea", which in part states: In ancient times, Opone operated as a port of call for merchants from Phoenicia, Egypt, Greece, Persia, Yemen, Nabataea, Azania, the Roman Empire and elsewhere, as it possessed a strategic location along the coastal route from Azania to the Red Sea. Merchants from as far afield as Indonesia and