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Rhine-Ruhr conurbation in North Rhine-Westphalia
Conurbation Ruhr area
Randstad conurbation

A conurbation ( English conurbation ) is an urban area like an agglomeration (conurbation / conurbation), but has two or more city ​​centers . The term was coined in 1915 by Patrick Geddes in his book Cities in Evolution to identify the agglomerations in the English region of Lancashire .

The Rhine-Ruhr metropolitan region is a conurbation of 20 large cities as well as cities and municipalities in eleven districts in the state of North Rhine-Westphalia . It has an area of ​​7110 square kilometers with about eleven million inhabitants. It consists of the two sub-areas Ruhrgebiet and Rheinschiene . The Ruhr area extends in the north of the Rhine-Ruhr in a west-east direction from Duisburg to Hamm , the Rhine rail in a north-south direction from Duisburg to Bonn .

The Randstad is a conurbation in the west of the Netherlands and extends over parts of the provinces of Noord-Holland , Zuid-Holland , Flevoland and Utrecht . The Randstad includes the urban areas of twelve large cities as well as other cities and municipalities with an area of ​​5,129 square kilometers. It makes up 20 percent of the total surface area of ​​the Netherlands, but more than 40 percent of the Dutch population live in this metropolitan area with around seven million inhabitants.

Teesside and Black Country are conurbations in the United Kingdom .

Web links

Individual evidence

  1. Patrick Geddes : Cities in Evolution . Williams & Norgate, London 1915, p. 34 ff. ( Digitized version )