Jiankang is now in Nanjing, Jiangsu.
The three kingdoms Wu, Eastern Jin, Southern Song, Qi, Liang and Chen successively established their capitals here and became the political, economic and cultural centers of the Six Dynasties. Qin hometown county was originally named Jinling and named Moling. In the seventeenth year of Jian 'an in the Eastern Han Dynasty, Sun Quan built a stone town here and renamed it Jianye. The Western Jin Dynasty was unified, and it was still named Moling. Taikang three years, divided into Liling North and Jianye County. After avoiding Emperor Sima Ye, he changed his name to Jiankang.