The Central Business District (CBD) refers to the area where major business activities take place in a country or a large city. The concept was first produced in the United States in 1923 when it was defined as "a place of commercial convergence." Subsequently, the content of the CBD continued to grow and become a hub for the economic development of a city, a region, and even a country. In general, CBD is located in the center of the city and highly concentrates the economic, technological, and cultural forces of the city. As the core of the city, CBD should have many functions such as finance, trade, services, exhibitions, and consultation, and be equipped with perfect municipal transportation. Communication conditions.
The world-renowned central business districts include Manhattan in New York, City of London, Hong Kong Central, Ginza in Tokyo, La Defense in Paris, and Gangnam in Seoul.
China's three state-level central business districts approved by the State Council are Beijing Chaoyang CBD, Shanghai Lujiazui CBD, and Guangzhou Tianhe cbd, which mainly serve China's three major economic circles: the Bohai Rim, the Yangtze River Delta, and the Pearl River Delta.