According to Baidu Encyclopedia, Shenzhen, referred to as Pengcheng for short, is a prefecture-level city, a sub-provincial city, a city with separate plans, a mega-city, a special economic zone, a national economic center city and a national innovative city approved by the State Council, and is one of the core engine cities in Guangdong-Hong Kong-Macao Greater Bay Area. Telephone area code: 0755, postal code: 5 18000, administrative division code: 440300, license plate code: Guangdong B.

Shenzhen is located in the south of China, the south of Guangdong Province, the east bank of the Pearl River Estuary, the south of the Tropic of Cancer, Daya Bay and Dapeng Bay in the east, the Pearl River Estuary and Lingdingyang in the west, the Hong Kong Special Administrative Region in the south and Dongguan and Huizhou in the north. The whole terrain is high in the southeast and low in the northwest, mostly low mountains and hills, with a gentle platform in the middle and a coastal plain in the west. It belongs to subtropical monsoon climate, warm and pleasant, with abundant rainfall.