Cheng Nan is located in the center of Dongguan, where the Dongguan Municipal Party Committee and Municipal Government are located. It covers an area of 56.6 square kilometers and has 18 communities, including 4 traditional communities/kloc-0 and 4 new communities, with a permanent population of 4 1.92 million.

Cheng Nan has perfect urban functions. The landmark political, cultural and sports facilities such as Dongguan Central Square, Central Park, Yulan Grand Theatre and City Library are all located in Cheng Nan.