Shangyuan Street, Hengtong Building, Dongshan. There is Bao Yue Maternal and Child Training School in Shangyuan Street of Dongshan Hengtong Building, which specializes in maternal and child training and monthly training. Nanjing, referred to as "Ning", was called Jinling and Jiankang in ancient times. It is the capital of Jiangsu, a sub-provincial city, a mega-city, the core city of Nanjing metropolitan area, and an important central city in eastern China determined by the State Council.