The Greater Bay Area comprises 11 major cities of the Pearl River Delta in southeastern China, including Hong Kong Special Administrative Region (SAR), Macao SAR, as well as nine key cities in Guangdong Province of mainland China, including Guangzhou and Shenzhen. The Greater Bay Area has become one the three key mega-regions of China, with a total GDP that reached USD 2 trillion in 2021, equivalent to the GDP of Canada. Large-scale investment in key transport infrastructure such as bridges, ports, railways and highways has helped to drive the region's economic integration and economic development. Mainland China's ... (full story)