020 is the area code of Guangzhou. Guangzhou is a prefecture-level city under the jurisdiction of Guangdong Province, the capital of Guangdong Province, referred to as "Sui", also known as Yangcheng, Huacheng and Wuyangcheng. Guangzhou is located in the northern part of the Pearl River Delta in Guangdong Province, adjacent to the South China Sea, where Xijiang River, Beijiang River and Dongjiang River meet. The famous scenic spots in Guangzhou are flower city square, Guang Zhouta, Baiyun Mountain, Guangzhou Changlong Tourist Resort, Shamian, Sacred Heart Cathedral of Shishi and Chenjia Temple.

Guangzhou is a national central city, a megacity and the core city of Guangzhou metropolitan area. It is an important central city, international business center and comprehensive transportation hub of China approved by the State Council. The city has 1 1 districts with a total area of 7434.40 square kilometers.

Guangzhou is one of the first national historical and cultural cities and the birthplace of Guangfu culture. Since the Qin Dynasty, it has been the seat of county, state and government, and the political, military, economic, cultural, scientific and educational center of southern China.

Guangzhou is located in the subtropical coastal area, and the Tropic of Cancer is a maritime subtropical monsoon climate, characterized by warm and rainy, sufficient light and heat, long summer and short frost period. With an average annual temperature of 20-22 degrees Celsius, it is one of the smallest cities in China.