Under the Eastern Jin and the Southern Dynasties, Jiankang was always the most prosperous city in the south.
Tips
mistakes
Not 健康 'health': the sound is the same, but the place name starts with 建 'to build', not 健 'healthy'.
history
Sun Quan's capital here was 建业. The Jin respelled it 建邺 and in 313 renamed it Jiankang, because the new emperor's personal name was 邺 and could no longer be written.