Nanjing xinjiekou generally refers to Xinjiekou Street and belongs to Xuanwu District, Nanjing City, Jiangsu Province. Located in the southwest of Xuanwu District, it starts from Meiyuan Xincun Street to Taiping North Road in the east, ends at Huaihai Road Street in Qinhuai District in the south, ends at Huaqiao Road Street in Gulou District in the west and ends at Xuanwu Gate Street in beijing east road in the north. The sub-district office is 3 kilometers away from Xuanwu District Government, with a total administrative area of 2.6 square kilometers.

In June 1955, Xinjiekou Street was established; In June 2005, Feng Dan Street merged. By August 2022, Xinjiekou Street will govern 6 communities, and the street office will be located at Dashiqiao 19, Loujing Community.