Nanjing University is located in the city of Nanjing, Jiangsu Province, China. The main campus is situated at 163 Xianlin Road, Qixia District, Nanjing. This address is for the university's administrative office and various academic departments. However, Nanjing University has several campuses spread across the city, each specializing in different fields of study. If you are planning a visit or seeking specific information about a department or facility, it would be best to provide the exact address or contact the relevant department directly for detailed directions.