What city is Jianye now?

Jianye is the ancient name of Nanjing, and historically it is the land of Wu Jiandu, one of the three countries. In the 16th year of Jian 'an (AD 2 1 1), Sun Quan moved his office from Jingkou to Moling. In the seventeenth year of Jian 'an (AD 2 12), Moling was changed to Jianye, and a stone city was built at the same time. In the first year of Huanglong (AD 229), Sun Quan proclaimed himself emperor in Wuchang and moved his capital here in September, which was called Jianye, the beginning of Nanjing's capital.

The historical evolution of Nanjing.

Nanjing is located in the east of China, the lower reaches of the Yangtze River and coastal waters. It is the seat of China East Theater Command, an important gateway city for the development of the central and western regions driven by the Yangtze River Delta radiation planned by the State Council, and an important node city for the strategic intersection of the eastern coastal economic belt and the Yangtze River economic belt.

Nanjing is one of the first national historical and cultural cities, an important birthplace of Chinese civilization, and has long been the political, economic and cultural center of southern China. It has blessed China's new moon several times in history. There were ancient human activities in Nanjing as early as100-1200,000 years ago. Nanjing ape-man lived in Tangshan 350,000-600,000 years ago, with a history of more than 7,000 years of civilization, nearly 2,600 years of city building and nearly 500 years of capital building.