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| title | chunk | source | category | tags | date_saved | instance |
|---|---|---|---|---|---|---|
| Conurbation | 2/4 | https://en.wikipedia.org/wiki/Conurbation | reference | science, encyclopedia | 2026-05-05T08:05:58.190531+00:00 | kb-cron |
=== Germany === The Ruhr region (Ruhrgebiet) is a major conurbation located in the federal state of North Rhine-Westphalia. It consists of several large cities of similar size — including Dortmund, Essen, Duisburg, Bochum, Gelsenkirchen, and Oberhausen — that have gradually grown together to form a continuous urban area. With no single dominant core city, the Ruhr represents a classical polycentric conurbation. It developed as a major coal and steel industrial center during the 19th and 20th centuries, and remains one of the most densely urbanized regions in Europe. The Ruhr covers an area of approximately 4,438 km2 (1,714 sq mi) and has a population of around 5.1 million people as of 2023. Unlike the broader Rhine-Ruhr metropolitan region, which includes both conurbations and monocentric metropolitan areas such as Cologne, the Ruhr region itself is specifically characterized by its polycentric, conurbation structure.
=== United Kingdom ===
Industrial and housing growth in the United Kingdom during the 19th and early 20th centuries produced many conurbations. Greater London is by far the largest urban area and is usually counted as a conurbation in statistical terms, but differs from the others in the degree to which it is focused on a single central area. In the mid-1950s the Green Belt was introduced to stem the further urbanisation of the countryside in South East England. Different organisations define conurbations in the UK differently for example, the Liverpool–Manchester or the Manchester–Liverpool conurbation is defined as one conurbation by AESOP in a comparison report published by the University of Manchester in 2005 found here. The Liverpool–Manchester Conurbation has a population of 5.68 million.
=== The Netherlands === The Randstad ("Rim City" or "Edge City") is a roughly crescent- or arc-shaped conurbation in the Netherlands, that includes almost half the country's population. With a central-western location, it connects and comprises the Netherlands' four biggest cities (Amsterdam, Rotterdam, The Hague, and Utrecht), their suburbs, and many towns in between, that all grew and merged into each other. Among other things, it includes the Port of Rotterdam (the world's busiest seaport outside Asia), the Port of Amsterdam (Europe's fourth-busiest seaport), and Amsterdam Airport Schiphol. With a population of approximately 8.4 million people it is one of the largest metropolitan regions in Europe, comparable in population size to the Rhine-Ruhr metropolitan region or the San Francisco Bay Area, and covers an area of approximately 11,372 km2 (4,391 sq mi). The Randstad had a gross regional domestic product of €510 billion in 2022, making it the second most productive region in the European Union, only behind the Paris metropolitan area. It encompasses both the Amsterdam metropolitan area and Rotterdam–The Hague metropolitan area.
== North America ==
=== Canada ===
==== Golden Horseshoe (Ontario) ==== The Golden Horseshoe is a densely populated and industrialized region centred on the west end of Lake Ontario in Southern Ontario, Canada. The largest cities in the region are Toronto, Mississauga, Brampton, Hamilton, Oakville, Burlington, St. Catharines, and Niagara Falls. If metropolitan areas (which are somewhat distinct from the core urban area of the Golden Horseshoe by about 30 to 50 km of less developed and semi-rural land) are included (similar to Combined Metropolitan Statistical Areas in the United States as defined by United States Office of Management and Budget), the total population is 8.8 million people. This is slightly over a quarter (25.6%) of the population of Canada, approximately 75% of Ontario's population, and one of the largest metropolitan areas in North America. The larger area is named the Greater Golden Horseshoe and includes the metropolitan areas of Kitchener (including adjacent cities it is often referred to as Waterloo Region), Barrie, Guelph, Peterborough, and Brantford. The Greater Golden Horseshoe is also part of the Windsor-Quebec Corridor and its southeastern boundary is across the Niagara River from the Buffalo–Niagara Falls metropolitan area in the United States.
==== Greater Montreal (Quebec) ==== Greater Montreal is Canada's second-largest conurbation. Statistics Canada defines the Census Metropolitan Area (CMA) as having 4,258.31 square kilometres (1,644.14 mi2) and a population of 3,824,221 as of 2011, which represents almost half of the population of the province of Quebec. Slightly smaller, there are 82 municipalities grouped under the Montreal Metropolitan Community to coordinate issues such as land planning, transportation, and economic development.
==== Lower Mainland (British Columbia) ====
British Columbia's Lower Mainland is the most populated area in Western Canada. It consists of many mid-sized contiguous urban areas, including Vancouver, North Vancouver (city and district municipality), West Vancouver, Burnaby, New Westminster, Richmond, Surrey, and Coquitlam, among others. The Lower Mainland population is around 2.5 million (as of 2011) and the area has one of the highest growth rates on the continent of up to 9.2 percent from the 2006 census.
==== Ottawa-Gatineau / National Capital Region ==== The National Capital Region (NCR) is made up of the capital, Ottawa, and neighbouring Gatineau which is located across the Ottawa River. As Ottawa is in Ontario and Gatineau is in Quebec, it is a unique conurbation. Federal government buildings are located in both cities and many workers live in one city and work in the other. The National Capital Region consists of an area of 5,319 square kilometres that straddles the boundary between the provinces of Ontario and Quebec. The area of the National Capital Region is very similar to that of the Ottawa-Gatineau Census Metropolitan Area (CMA) although the National Capital Region contains a number of small neighbouring communities that are not contained within the CMA. When all the communities are included, the population of the area is about 1,500,000. Ottawa-Gatineau is the only CMA in the nation to fall within two provinces and is the fourth largest.
=== Mexico ===
==== Mexico City (CDMX) ====