global city

is a city which tends to be more closely connected to each other than they are to many cities in their home countries.

'Global cities' like Tokyo, London, New York, and Singapore, shanghai tend to be more closely connected to each other than they are to many cities in their home countries. (steger 2009: 67)

is a strategic site for the management of the global economy and the production of the most advanced services and financial operations.

strategic sites for the management of the global economy and the production of the most advanced services and financial operations. They are key sites for the advanced services and telecommunications facilities necessary for the implementation and management of global economic operations, and, [t]hey also tend to concentrate the headquarters of firms, especially firms that operate globally (Sassen 2000: 21)

global city, n.All

global city