The Guangdong-Hong Kong-Macau Greater Bay Area (GBA) consists of nine cities in Guangdong province including Guangzhou, Shenzhen, Foshan, Zhaoqing, Dongguan, Huizhou, Zhuhai, Zhongshan, and Jiangmen, and the two Special Administrative Regions (SARs) of Hong Kong and Macau. It is a high-profile national strategy to build a world-class Bay Area and world-class city cluster.