Huizhou is a city in central-east Guangdong Province, China, forty-three miles north of Hong Kong. Huizhou borders the provincial capital of Guangzhou to the west, Shenzhen and Dongguan to the southwest, Shaoguan to the north, Heyuan to the northeast, Shanwei to the east, and Daya Bay of the South China Sea to the south. As of the 2020 census, the city has about 6,042,852 inhabitants and is administered as a prefecture-level city. Huizhou's core metropolitan area, which is within Huicheng and Huiyang Districts, is home to around 2,090,578 inhabitants.

Guangdong is a coastal province located in South China, on the north shore of the South China Sea. The provincial capital is Guangzhou. With a population of 126.84 million across a total area of about 179,800 km2 (69,400 sq mi), Guangdong is the most populous province of China and the 15th-largest by area as well as the third-most populous country subdivision in the world.