A metropolitan area or metro is a region consisting of a densely populated urban agglomeration and its surrounding territories which are sharing industries, commercial areas, transport network, infrastructures and housing. A metropolitan area usually comprises multiple principal cities, jurisdictions and municipalities: neighborhoods, townships, boroughs, cities, towns, exurbs, suburbs, counties, districts and even states and nations in areas like the eurodistricts. As social, economic and political institutions have changed, metropolitan areas have become key economic and political regions.
The Katowice-Ostrava metropolitan area is a polycentric metropolitan area in southern Poland and northeastern Czech Republic, centered on the cities of Katowice and Ostrava, and has around 5 million inhabitants. Geographically, it is located mainly in Upper Silesia, with small parts of the area also in the historical regions of Moravia and Lesser Poland. Administratively, it is located in the three administrative units : mainly Silesian Voivodeship and a small western part of Lesser Poland Voivodeship in Poland, and also a small eastern part of Moravian-Silesian Region in the Czech Republic.
The London metropolitan area is the metropolitan area of London, England. It has several definitions, including the London Travel to Work Area, and usually consists of the London urban area, settlements that share London's infrastructure, and places from which it is practicable to commute to work in London. It is also known as the London commuter belt, or Southeast metropolitan area.
Nomenclature of Territorial Units for Statistics or NUTS is a geocode standard for referencing the administrative divisions of countries for statistical purposes. The standard, adopted in 2003, is developed and regulated by the European Union, and thus only covers the EU member states in detail. The Nomenclature of Territorial Units for Statistics is instrumental in the European Union's Structural Funds and Cohesion Fund delivery mechanisms and for locating the area where goods and services subject to European public procurement legislation are to be delivered.
Eurostat is a Directorate-General of the European Commission located in the Kirchberg quarter of Luxembourg City, Luxembourg. Eurostat's main responsibilities are to provide statistical information to the institutions of the European Union (EU) and to promote the harmonisation of statistical methods across its member states and candidates for accession as well as EFTA countries. The organisations in the different countries that cooperate with Eurostat are summarised under the concept of the European Statistical System.
The Hamburg Metropolitan Region is a metropolitan region centred around the city of Hamburg in northern Germany, consisting of eight districts in the federal state of Lower Saxony, six districts in the state of Schleswig-Holstein and two districts in the state of Mecklenburg-Vorpommern along with the city-state of Hamburg itself. It covers an area of roughly 26,000 square kilometres (10,000 sq mi) and is home to more than 5.1 million inhabitants.
Helsinki metropolitan area or Greater Helsinki is the metropolitan area around Helsinki, the capital city of Finland. It also includes the smaller capital region. The terms Helsinki metropolitan area, Greater Helsinki, Capital region and the other terms used are not fixed and may vary in different contexts.
Statistics in the European Union are collected by Eurostat.
The Madrid metropolitan area is a monocentric metropolitan area in the centre of the Iberian peninsula, around the municipality of Madrid, Spain. It is not related to any sort of administrative delimitation, and thus, its limits are ambiguous.
The Copenhagen metropolitan area or Metropolitan Copenhagen is a large commuter belt surrounding Copenhagen, the capital of Denmark. It includes Copenhagen Municipality, Frederiksberg and surrounding municipalities stretching westward across Zealand. It has a densely-populated core surrounded by suburban settlements.
Metropolitan areas in Romania are private agencies of public utility which were established by Law no. 351 of 6 July 2001 with the aim of encouraging the development of neighboring towns and communes within a radius of 30 km. The first to be established was the metropolitan area of Iași, on 8 April 2004, while the last is that of Drobeta-Turnu Severin, on 28 August 2019. There are 24 metropolitan areas in Romania that have been constituted as of 2019.
The Ostrava metropolitan area is the metropolitan area with the city of Ostrava in the Czech Republic at its center. The Ostrava urban area is the largest urban area in the metropolitan area with a population of 365,000. The metropolitan area has over 81% of the population of the Moravian-Silesian Region. The population of the metropolitan area is 970,189 as of 2024. An alternative definition, the Eurostat Larger Urban Zone, lists a population of 1,153,876. The Ostrava metropolitan area is sometimes combined with the Katowice metropolitan area to form a wider metropolitan area with a population of 5,008,000 (2015). The metropolitan area has 172 municipalities.
The Barcelona urban area is an urban area in Catalonia (Spain) centered on the city of Barcelona and located less than 100 km south of the border with France. With a population of over 5 million, it is one of the largest urban areas in Europe.
A 2001 ESPIN metropolitan area was defined as consisting of an urban area, conurbation or agglomeration, together with the surrounding area to which it was closely economically and socially integrated through commuting.
The Rhine-Main Metropolitan Region, often simply referred to as Frankfurt Rhine-Main, Frankfurt Rhine-Main area or Rhine-Main area, is the second-largest metropolitan region in Germany after Rhine-Ruhr, with a total population exceeding 5.8 million. The metropolitan region is located in the central-western part of Germany, and stretches over parts of three German states: Hesse, Rhineland-Palatinate, and Bavaria. The largest cities in the region are Frankfurt am Main, Wiesbaden, Mainz, Darmstadt, Offenbach, Worms, Hanau, and Aschaffenburg.
An aire d'attraction d'une ville is a statistical area used by France's national statistics office INSEE since 2020, officially translated as functional area in English by INSEE, which consists of a densely populated urban agglomeration and the surrounding exurbs, towns and intervening rural areas that are socioeconomically tied to the central urban agglomeration, as measured by commuting patterns. INSEE's functional area (AAV) is therefore akin to what is most often called metropolitan area in English.
The Vilnius urban area is the urban area of Vilnius. The urban area covers several municipalities in the Vilnius County, with a total built-up area of around 350 km2.
