The Greater Bay Area consists of Hong Kong, Macao and nine cities in Guangdong province — Guangzhou, Shenzhen, Zhuhai, Foshan, Huizhou, Dongguan, Zhongshan, Jiangmen and Zhaoqing. Since Oct. 2018, the region is connected via the 29 km Hong Kong-Zhuhai-Macao bridge. The government has now unveiled plans to build a comprehensive national science center in this area within 3 years.
Xinhua press release, July 9, 2019
Guangdong plans for Comprehensive National Science Center in the Greater Bay Area