Xinjiekou is located in Gulou District, and Xinjiekou is located in the central area of Nanjing, marked by Xinjiekou Square. It is a famous commercial center in China, with a history of one hundred years, and is known as "the first business circle in China". The national government began to build the capital Nanjing according to the capital planning, and Xinjiekou was planned as a commercial area for the first time.

Xinjiekou is located in the downtown area of Nanjing, at the intersection of Gulou District, Xuanwu District and Qinhuai District in Nanjing, with Zhongshan East Road in the east, 2 kilometers away from Xi 'anmen Tunnel, Zhongshan South Road in the south, 3.5 kilometers away from the south line of Nanjing Inner Ring Road, Hanzhong Road in the west, 4. 1 km away from Jiangdong Expressway and Zhongshan Road leading to Gulou Square in the north.