In urban planning, a core city, metropolitan core, or central city, is the largest or most important city of a metropolitan area. A core city is surrounded by smaller satellite cities, towns, and suburbs. A central city is usually the first settlement established in an urban region before the outlying districts came into existence, later in history. Central cities often form the regional downtowns of metro areas. The term is used mainly in US context, although since the 1970s it has also become relatively common in Canada and, to a lesser extent, Europe and Australia.
Metropolitan areas with one core city
The followings are the core city of the five largest metropolitan areas in the world.
|Metropolitan area||Core city||Country||Metropolitan|
|Greater Tokyo Area
|Jakarta metropolitan area
|Delhi metropolitan area
(Central National Capital Region)
|Seoul Capital Area
|Mumbai Metropolitan Region||Mumbai||India||24,400,000|
Metropolitan areas with more than one core city
|Metropolitan area||Core cities||Country||Metropolitan|
|Dallas–Fort Worth metroplex||Dallas||United States||7,470,158|
|Rhine-Ruhr metropolitan region||Essen||Germany||1,555,985|
|Islamabad–Rawalpindi metropolitan area||Islamabad||Pakistan||4,500,000|
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