Vigo is a city and municipality in the province of Pontevedra, in Galicia, north-west Spain on the Atlantic Ocean. It is the capital of the comarca of Vigo and Vigo metropolitan area.
Vigo is the most populous municipality of Galicia, and the 14th in Spain. It is also the most populous Spanish municipality that is not the capital of a province. The municipality has an area of 109.06 km2 (42.11 sq mi) and had a population of 292,817 in 2016. The city has a population of 198,537 in 2016.
The city is located in the south-west of Galicia, in the southern part of Vigo Ria, in one of Europe's rainiest areas. In the north-east, it borders the municipality of Redondela, in the east Mos, in the south O Porriño and Gondomar, and in the south-west Nigrán. On the other side of the bay are the municipalities of Cangas and Moaña. They are all part of the southern Galician region called Rías Baixas. Vigo is located just north of the border with Portugal and its nearest larger city is Portugal's second largest city of Porto.
Vigo and its metropolitan area are one of the main economic agents of the region.