Introduction to Huai'an Government Office: Huai'an Government Office was first built in the third year of Hongwu (1370) in the Ming Dynasty and was used until the end of the Qing Dynasty. It has a history of more than 640 years. During the Ming Dynasty, the government's jurisdiction included Ganyu, Haizhou (today's Lianyungang), Pizhou, Shuyang, Suqian, Suining, Taoyuan (today's Siyang), Qinghe, Andong (today's Lianshui), Yancheng, and Shanyang ( Today's Chuzhou) and nine counties and two prefectures, it is the largest government agency in Jiangsu Province.