Dongguan, also known as "Guancheng", is a prefecture level city of Guangdong Province. It is located in the southeast of Guangzhou and the East Bank of the Pearl River Estuary. It is adjacent to Shenzhen in the south, an international garden city, a national civilized city, a National Basketball City, and an important transportation hub and foreign trade port of Guangdong.
Dongguan has about 1.2 million compatriots from Hong Kong and Macao, and about 300000 overseas Chinese. It is a famous hometown of overseas Chinese. It has the reputation of "city of music", "city of science and technology", "city of Museum", National Forest City, International Garden City, national civilized city, and National Basketball City. In April 2015, representatives from more than 200 cities around the world listened to the "voice of Dongguan" at the ICLEI World Conference held in Seoul, South Korea.