Guangzhou. Guangzhou, also known as Canton and alternatively romanized as Kwongchow or Kwangchow, is the capital and largest city of Guangdong province in southern China.
   Located on the Pearl River about 120 km north-northwest of Hong Kong and 145 km north of Macau, Guangzhou has a history of over 2,200 years and was a major terminus of the maritime Silk Road; it continues to serve as a major port and transportation hub as well as being one of China's three largest cities. For a long time, the only Chinese port accessible to most foreign traders, Guangzhou was captured by the British during the First Opium War.
   No longer enjoying a monopoly after the war, it lost trade to other ports such as Hong Kong and Shanghai, but continued to serve as a major transshipment port. Due to a high urban population and large volumes of port traffic, Guangzhou is classified as a Large-Port Megacity, the largest type of port-city in the world.
   Due to worldwide travel restrictions at the beginning of the COVID-19 pandemic, Guangzhou Baiyun International Airport, the major airport of Guangzhou, briefly became the world's busiest airport by passenger traffic in 2020. Guangzhou is at the heart of the Guangdong–Hong Kong–Macau Greater Bay Area, the most-populous built-up metropolitan area in the world, which extends into the neighboring cities of Foshan, Dongguan, Zhongshan, Shenzhen and part of Jiangmen,
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