Vigo is an industrial city and municipality in the province of Pontevedra, within the autonomous community of Galicia, Spain. Located in the northwest of the Iberian Peninsula, it sits on the southern shore of an inlet of the Atlantic Ocean, the Ria de Vigo, the southernmost of the so-called Rías Baixas.

The municipality has an area of 109.06 km² (42.11 sq mi) and a population of 295,364 in 2019, making it the most populous municipality in Galicia.

Vigo is one of the region's primary economic agents, owing to the French Citroën automotive factory and to the Port of Vigo. Close to the Portugal-Spain border, Vigo is part of the Galicia-North Portugal Euroregion. The European Fisheries Control Agency is headquartered in Vigo.