Shenzhen - City in Guangdong, China

"Shenzhen, also known as Sham Chun, is a major sub-provincial city and one of the special economic zones of China. The city is located on the east bank of the Pearl River estuary on the central coast of southern province of Guangdong, bordering Hong Kong to the south, Dongguan to the north, and Huizhou to the northeast. 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, finance, and transportation, and the Port of Shenzhen is the world's fourth busiest container port. - Wikipedia"