Jianhu County, under Yancheng City, Jiangsu Province. It is located in the belly of the Lishiahe River in the north of Jiangsu Province, and is subordinate to Yancheng City. Geographic location north latitude 33°16′~33°41′, east longitude 119°33′~120°05′. The county has a total area of 1,154 square kilometers, according to the seventh census data, as of zero hour on November 1, 2020, Jianhu County resident population of 609,346 people. Jianhu County, taking the first word of the towns of Jianyang and Huyi (now Near Lake) as its name. in September 1941, Yancheng County was divided into counties and established Jianyang County. in July 1951, it was renamed Jianhu County. It is a national garden county, a county of revolutionary cultural relics protection and utilization area, a national seed production county, and the hometown of Chinese folk culture and art. In 2020, the gross regional product of Jianhu County will be 57.19 billion yuan, an increase of 3.5%. General public budget revenue of 3.166 billion yuan, an increase of 5%.