Southeast University has three campuses: Sipailou, Jiulong Lake and Dingjiaqiao. Sipailou is the oldest campus, which was originally the campus of National Central University. Jiulong Lake is a new campus with the best teaching and living conditions, but it is located in a remote place, inside Nanjing South Ring Expressway. Dingjiaqiao Campus is the residence of Medical College and School of Public Health.