Yunfu is a prefecture-level city located in western Guangdong province, People's Republic of China. Historically known as Dong'an (formerly romanized as Tong On) from 1578 to 1913, the city was previously romanized as Wanfow.
The city covers an area of 7,786.64 square kilometres and had a population of 2,383,400 according to a 2021 publication by the city government. It shares borders with Zhaoqing to the north, Foshan to the east, Jiangmen to the southeast, Yangjiang to the south, Maoming to the southwest, and the autonomous region of Guangxi to the west.