Today the bulk of this conurbation forms the London region of England and the Greater London administrative area, with its own elected mayor and assembly.
Most are small, county-level cities, home to something between a couple of hundred thousand and a couple of million people, and administered by bigger, nearby conurbations.
，所
城市指具有许多卫星城的大城市]
主要起因于那些大型
。
济学人 Finance and economics
些城市多为县级市，人口介于数十万至上百万之间，由附近较大的都市区管辖。
