Chenjia Town in Chongming District was changed to Dongtan Town.

In February 2003, Chenjia Town of Chongming County was renamed Dongtan Town.

Chenjia Town has many historical sites, including temples and temples in the Ming and Qing Dynasties, ancient fishing villages, ancient chimneys, ancient buildings, ancient teahouses, ancient canals, ancient reservoirs, ancient wells, ancient villages, and many ancient stone tablets and ancient tombs. Chenjia Town also has the famous "Chen Jialing", which is the burial place of Chen Jia, the minister of Ming Dynasty, and is regarded as the masterpiece of China classical garden art. Chenjia Town is also a famous cultural city, with many cultural facilities such as Chongming County Cultural Center, Chongming County Museum of History and Culture, Chenjia Town Cultural Center and so on. It is a place rich in cultural resources. Chenjia Town is also a tourist attraction. You can go to lakeside park in summer, enjoy the maple in autumn, and go to Chen Jialing in winter to experience the long-standing fishery culture. Chenjia Town is a very attractive tourist destination with profound cultural background and prosperous economy.