Shenzhen, China
Shenzhen is a major sub-provincial city and one of the special economic zones of China. With a population of 17.56 million as of 2020, Shenzhen is the third most populous city proper in China. Shenzhen is a global center in technology, research, manufacturing, business and economics, finance, tourism and transportation, and the Port of Shenzhen is the world's fourth busiest container port.