This article does not cite any references or sources. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. (December 2009)

Map showing the location of the Grande Porto subregion

Grande Porto or Greater Porto is a Portuguese NUTS3 subregion, integrating the NUTS2 region of Norte, in Portugal. It corresponds to 11(Grande Porto out of 16 municipalities (5 in Entre Douro e Vouga)(concelhos) that constitute the larger Greater Metropolitan Area of Porto, centered in the city of Porto. With a population of 1,572,176 inhabitants (INE 2004) and an area of 817 km². Highly industrialized, is, with the neighbouring subregions, the main source of the Portuguese exports and home to one of the busiest Portuguese harbours, located in Leixões. Grande Porto serves as the commercial, educational, political and economical centre of northern Portugal.

It is formed by 11 municipalities, on both sides of the river Douro.

• Espinho
• Gondomar
• Maia
• Matosinhos
• Porto
• Póvoa de Varzim
• Trofa (recently joined Grande Porto)
• Santo Tirso (recentetly joined)
• Valongo
• Vila do Conde
• Vila Nova de Gaia (aka Gaia)

All of the above municipalities are cities. Only Espinho and Gaia are located south of Douro river.

Douro river at Grande Porto, Portugal's second most populated subregion

The conurbation, which includes the municipalities of Porto (pop. 240,000), Vila Nova de Gaia (pop. 330,000) and Matosinhos (pop. 175,000), are amongst the biggest urban centres in Portugal, although the subregion is considered a Metropolitan Area with a population of over a million.

The subregion is served by an international airport: Porto/ Pedras Rubras / Maia (OPO), an harbour(Leixões/ Matosinhos), underground (Subway), intercity trains and a large network of highways and motorways. The industry is located in a crown around the city of Porto.

It covers an area of 817 km² for a density of 2056 hab/km²