Gulou District, Jiangning District. Hohai University graduate students study in different campuses according to different majors. Most engineering postgraduates and undergraduates above junior year are in the headquarters, that is, Gulou District, while humanities postgraduates are in Jiangning Campus. Hohai University's postgraduate education began in 1950s, and it is one of the earliest institutions in China to recruit doctoral and master students, and also one of the earliest schools in China to carry out postgraduate education.