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By "double city," I mean 2 distinct cities that are relatively similar in size and close enough in distance such that they are part of the same urban conglomeration. Examples in the U.S. are:
San Francisco & San Jose
Washington DC & Baltimore
Dallas & Fort Worth
Minneapolis & St. Paul
What examples like this are there in other developed countries?
Alongside the German areas mentioned and Malmo/Copenhagen, there's also the Randstad in the Netherlands which consists of Amsterdam, Rotterdam, the Hague, and Utrecht.
Japan also has the Tokyo Area which is not just Tokyo, but also the major city of Yokohama. A more equitable spread is in the Keihanshin metro which has the cities of Osaka, Kobe, and Kyoto.
One that springs to mind is Birmingham and Wolverhampton which are joined together by urbanity. I think Birmingham City Council is trying to take over all the towns and cities joined to it
Brisabane/Gold Coast is the closest we have to such a thing in Australia, its about 75km between the CBD/Downtowns of Australias 3rd and 6th largest metro areas.
Last edited by danielsa1775; 07-07-2012 at 06:18 AM..
Manchester/Liverpool are closer to each other than SF/SJ.
Based on distance there are probably many other examples like this in Western Europe, i.e. places where urbanization started happening a long time ago so there are plenty of midsize cities instead of just 1-2 megalopolises. However, some significant cities are close to each other but have never been considered as "twin cities" (ex: Brussels and Antwerp, Krakow and Katowice, Vienna and Bratislava, Lyon and St Etienne).
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