Qidong, a municipality directly under the Central Government of Jiangsu Province and administered by Nantong City, is located at the southeast end of Jiangsu Province and the north bank of the Yangtze River estuary, which is the earliest sunrise place in Jiangsu Province. 1989, Qidong County was abolished, and Qidong City was established at the county level. The original administrative area of Qidong County was Qidong City. Qidong City is temporarily managed by Nantong City, with separate plans.

The historical evolution of Nantong;

1February, 993, Nantong county was abolished and Tongzhou city was established at the county level.

1June, 994, Haimen County was abolished and county-level Haimen City was established.

200 1, Guanyinshan Town, Xiaohai Town, Zhuhang Town and Tongzhou Seed Farm in Tongzhou City are under the jurisdiction of Chongchuan District; Nantong Farm (under the provincial agricultural reclamation group company) and Dongfanghong Farm (under the provincial military region) within the administrative area of Tongzhou City are included in the administrative area of Chongchuan District of Nantong City. (All entrusted to Fumin Port Office for jurisdiction).

In February 2009, Tongzhou City was revoked and Tongzhou District of Nantong City was established.

On May 20 18, Hai 'an County was abolished and county-level Hai 'an City was established.

In July 2020, Chongchuan District and Gangzha District of Nantong City were abolished and a new Chongchuan District of Nantong City was established; The county-level Haimen City was abolished and Haimen District of Nantong City was established.

The above contents refer to:

Baidu encyclopedia-Nantong

Baidu Encyclopedia-Qidong