Matosinhos, officially known as the City of Matosinhos, is a city and municipality located in the district of Porto in Portugal. It forms part of the Porto metropolitan area, which serves as the second largest urban area in the country.
The municipality covers an area of approximately 62.42 square kilometres (24.10 mi2) and had a population of 172,557 inhabitants as of 2021. It is bordered by the municipalities of Porto to the south, Maia to the east, and Vila do Conde to the north, with the Atlantic Ocean situated to its west.