The Barcelona urban area is an

urban area An urban area is a human settlement with a high population density and an infrastructure of built environment. Urban areas originate through urbanization, and researchers categorize them as cities, towns, conurbations or suburbs. In urbani ...

Catalonia Catalonia is an autonomous community of Spain, designated as a ''nationalities and regions of Spain, nationality'' by its Statute of Autonomy of Catalonia of 2006, Statute of Autonomy. Most of its territory (except the Val d'Aran) is situate ...

(

Spain Spain, or the Kingdom of Spain, is a country in Southern Europe, Southern and Western Europe with territories in North Africa. Featuring the Punta de Tarifa, southernmost point of continental Europe, it is the largest country in Southern Eur ...

) centered on the city of

Barcelona Barcelona ( ; ; ) is a city on the northeastern coast of Spain. It is the capital and largest city of the autonomous community of Catalonia, as well as the second-most populous municipality of Spain. With a population of 1.6 million within c ...

and located less than 100 km south of the border with

France France, officially the French Republic, is a country located primarily in Western Europe. Overseas France, Its overseas regions and territories include French Guiana in South America, Saint Pierre and Miquelon in the Atlantic Ocean#North Atlan ...

. With a population of over 5 million, it is one of the largest urban areas in

Europe Europe is a continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere. It is bordered by the Arctic Ocean to the north, the Atlantic Ocean to the west, the Mediterranean Sea to the south, and Asia to the east ...

Overview

The

– the core of the metropolitan area – of Barcelona has a population of 4,604,000, being the fifth-most populous urban area in the

European Union The European Union (EU) is a supranational union, supranational political union, political and economic union of Member state of the European Union, member states that are Geography of the European Union, located primarily in Europe. The u ...

after

Paris Paris () is the Capital city, capital and List of communes in France with over 20,000 inhabitants, largest city of France. With an estimated population of 2,048,472 residents in January 2025 in an area of more than , Paris is the List of ci ...

, the

Ruhr area The Ruhr ( ; , also ''Ruhrpott'' ), also referred to as the Ruhr Area, sometimes Ruhr District, Ruhr Region, or Ruhr Valley, is a polycentric urban area in North Rhine-Westphalia, Germany. With a population density of 1,160/km2 and a populati ...

Madrid Madrid ( ; ) is the capital and List of largest cities in Spain, most populous municipality of Spain. It has almost 3.5 million inhabitants and a Madrid metropolitan area, metropolitan area population of approximately 7 million. It i ...

and

Milan Milan ( , , ; ) is a city in northern Italy, regional capital of Lombardy, the largest city in Italy by urban area and the List of cities in Italy, second-most-populous city proper in Italy after Rome. The city proper has a population of nea ...

. The

Larger Urban Zone The functional urban area (FUA), previously known as larger urban zone (LUZ), is a measure of the population and expanse of metropolitan and surrounding areas which may or may not be exclusively urban. It consists of a city and its commuting zo ...

has a population of 4,440,629 according to

Eurostat Eurostat ("European Statistical Office"; also DG ESTAT) is a department of the European Commission ( Directorate-General), located in the Kirchberg quarter of Luxembourg City, Luxembourg. Eurostat's main responsibilities are to provide statist ...

. As stated by the Department of Economic and Social Affairs of

United Nations The United Nations (UN) is the Earth, global intergovernmental organization established by the signing of the Charter of the United Nations, UN Charter on 26 June 1945 with the stated purpose of maintaining international peace and internationa ...

, the metropolitan area of Barcelona has a population of 5,083,000, according to the

Organisation for Economic Co-operation and Development The Organisation for Economic Co-operation and Development (OECD; , OCDE) is an international organization, intergovernmental organization with 38 member countries, founded in 1961 to stimulate economic progress and international trade, wor ...

it has a population of 4,900,000 and according to the

it has a population of 5,797,356. According to ''Idescat'' it has a population of 5,029,181,Àmbit Metropolità. Sèrie temporal
according to ''BlatantWorld.com'' it has a population of 4,992,778 and according to ''World Gazetteer'' it has a population of 5,068,252.

The Zones

* First Zone: consists of other municipalities (outside Barcelona) in an official union of adjacent cities and municipalities called the Àrea Metropolitana de Barcelona (AMB) (also ''Greater Barcelona'') with a population of 3,220,071 in area of 636 km² (density 5,010 hab/km²). * Second Zone: considered as urban and metropolitan adjacent area. It forms a belt of cities: Vilanova i la Geltrú,

Vilafranca del Penedès Vilafranca del Penedès, or simply Vilafranca, is the capital of Alt Penedès county in Penedès, Catalonia, Spain. It is situated in the Penedès Depression on the left bank of the Foix River, and on the main axis of communication from Barcel ...

Martorell Martorell () is a municipality, county, and city that forms part of the Baix Llobregat Comarques of Catalonia, comarca, in Catalonia, Spain, primarily known for its medieval Pont del Diable, Devil's bridge. It lies at the confluence of the Llobr ...

Terrassa Terrassa () is a city in central-eastern Catalonia and in the province of Barcelona (Spain). It is one of the two capitals of Vallès Occidental county, being the larger in both area and population. The name ''Terrassa'' derives from Latin ''Te ...

Sabadell Sabadell () is a city and municipality in Catalonia, Spain. It is in the south of the ''comarca'' of Vallès Occidental, where it is one of the two capitals, the other being Terrassa. It is located on the River Ripoll, north of Barcelona, a ...

Granollers Granollers (; ) is a city in central Catalonia, about 30 kilometres north-east of Barcelona. It is the capital and most densely populated city in the comarca of Vallès Oriental. Granollers is now a bustling business centre, having grown from ...

Mataró Mataró () is the capital and largest town of the Maresme county in Catalonia, Spain. It is located on the Costa del Maresme, Maresme coast, to the south of Costa Brava, between Cabrera de Mar and Sant Andreu de Llavaneres, north-east of Barcel ...

and their respective areas of influence. The

Generalitat Generalitat (, literally in English 'Generality') is the name of two major medieval and early modern political institutions and their modern-day analogues in Kingdom of Spain. The ancient Principality of Catalonia and the Kingdom of Valencia we ...

projects the interconnection by means the

Orbital Railway Line The Barcelona orbital line () is a railway project forming part of both the ''Pla d'infraestructures de Catalunya'' (PITC),Catalonia infrastructure plan a long-term development plan due for completion in 2026, and the ''Pla de transport de viatg ...

. * Third Zone: considered territory of consolidated expansion. In this one the expansion passes to be of radial type, spreading across fluvial corridors or depressions, as in case of

Manresa Manresa () is the capital of Bages county, located in the central region of Catalonia, Spain. Crossed by the river Cardener, it is an industrial area with textile, metallurgical, and glass industries. The houses of Manresa are arranged aro ...

Igualada Igualada () is a municipality and capital of Anoia county in Penedès, Catalonia, Spain. It is located on the left bank of the Anoia River and at the western end of the Igualada-Martorell-Barcelona Railway. Igualada is the capital and central ...

and Vic, or continuing the coast, as in case of

Blanes Blanes () is a town and Municipalities of Spain, municipality in the Comarques of Catalonia, comarca of Selva (comarca), Selva in Province of Girona, Girona, Catalonia, Spain. During Roman rule it was named Blanda or Blandae. It is known as the ...

and

El Vendrell El Vendrell () is a town located in the province of Tarragona, Catalonia, in the wine-growing region of Penedès. It is wedged between the Mediterranean and the coastal range. El Vendrell is the capital of the Baix Penedès ''comarca'' and a t ...

Polynuclear Urban Region

According to the EURBANET project by

Delft University of Technology The Delft University of Technology (TU Delft; ) is the oldest and largest Dutch public university, public Institute of technology, technical university, located in Delft, Netherlands. It specializes in engineering, technology, computing, design, a ...

it speaks about ''polynuclear urban region'' when there exists a series of important urban centers that relate intensely among them and to the exterior. This one is the case of bordering zones to the urban region that they extend around the cities of

Tarragona Tarragona (, ; ) is a coastal city and municipality in Catalonia (Spain). It is the capital and largest town of Tarragonès county, the Camp de Tarragona region and the province of Tarragona. Geographically, it is located on the Costa Daurada ar ...

and

Girona Girona (; ) is the capital city of the Province of Girona in the autonomous community of Catalonia, Spain, at the confluence of the Ter, Onyar, Galligants, and Güell rivers. The city had an official population of 106,476 in 2024, but the p ...

. They are areas with a great economic dependence and services to the capital. They are narrow corridors well communicated to Barcelona, both by highway and railroad, which there fuse the metropolitan areas of these cities with the urban region. The PUR of Barcelona comprises 6,103,221 people in an area of 6,005 km². Barcelona Polynuclear Urban Region is conceived as "''isolated islands of significant growth''" which, may develop into zones of global economic integration. This is, however, not intended to happen at the cost of the global competitive position of the present core area.EURBANET: Introduction Theoretical Framework
-

Overview

The Zones

Polynuclear Urban Region

Municipalities of metropolitan area - population and area

First zone

Second zone

Third zone

Municipalities of Polynuclear Urban Region - population and area

Tarragona area

Girona area

See also

References