Zhàoqìng (Chinese: 肇庆) is a prefecture-level city of Guangdong province, People's Republic of China and the southern districts and Sihui is considered part of the Pearl River Delta region. It is well known for being a regional tourist hub, a medium-sized provincial "college town" as well as an up-and-coming manufacturing center. Residents from Guangzhou, Shenzhen and other nearby cities, as well as people from Hong Kong and Macau, are known to visit the city on weekend getaways and excursions. Its population was 3,918,467 at the 2010 census whom 1,232,462 lived in the built-up (or metro) area made of Duanzhou urban District and Gaoyao County largely being urbanized. Dinghu urban District is not yet conurbated. The main central city, excluding Seven Star Crags, is fairly flat, but thickly forested mountains lie just outside the city limits.