Nanjing (南京 pinyin nan2 jing1) is the capital of Jiangsu Province of China. Formerly called Nanking in Wale-Gales system. The Chinese abbreviation of the city is ning2 (寧). It has a history of more than 2500 years.
Nanjing means "southern capital" literally. In many Chinese dynasties including the six dynasties from 3rd to 6th century, (namely Wu2 (吳), Dong1 Jin4 (東晉), Song4 (宋), Qi2 (齊), Liang2 (梁), Chen2 (陳)), Nanjing was the capital city under various names. In middle Chinese, Nanjing was called Bo2 Xia4 (白下).
Compare to Beijing.