Zhou Mansion, that is, Zengjiayan No. 50 Zhou Mansion, is located at the eastern end of Zhongshan 4th Road, Yuzhong District, Chongqing, covering an area of 364 square meters and a construction area of 882 square meters. It is the office location of the South Bureau of the Central Committee of the Communist Party of China in the urban area. Military group, cultural group, women's group, Both the foreign affairs and party groups are located here.