The Guangdong-Hong Kong-Macao Greater Bay Area (Greater Bay Area) . Based on the latest figures provided by the Guangdong Province, the Hong Kong Special Administrative Region Government (SARG) and the Macao SARG, the total population in the Greater Bay Area is over 86 million and the GDP is USD 1,668.8 billion in 2020. The Information Technology development is an indispensable link in Greater Bay Area.