Vila do Porto is the single municipality, the name of the main town and one of the civil parishes on the island of Santa Maria, in the Portuguese archipelago of Azores. Its nearest neighbor, administratively, is the municipality of Povoação on the southern coast of São Miguel, and it is physically southwest of the islets of the Formigas. The population in 2021 was 5,408, in an area of 96.89 km2 (37.41 sq mi).