Chongwen Road, Nanshan Street, Nan 'an District, Chongqing. According to Baidu map, Chongqing University of Posts and Telecommunications is located in Chongwen Road, Nanshan Street, Nan 'an District, Chongqing. Chongqing, referred to as "Mountain City" and "Fog City" for short, is a provincial-level administrative region, municipality directly under the Central Government, national central city and megacity in People's Republic of China (PRC), and one of the important central cities in China identified by the State Council.