Hongze District is under the jurisdiction of Huai'an City, Jiangsu Province. It is located in the middle of Jiangsu Province and on the east bank of Hongze Lake. It is named after the lake because of its setting. It is located between 118 ° 28 '- 119 ° 9' E and 33 ° 02 '- 34 ° 24' N, bordering Hongze Lake in the west, facing Sihong County and Siyang County across the lake, bordering Baima Lake in the east, bordering Huai'an District, Baoying County and Jinhu County by water and land, bordering the Huaihe River inlet channel in the south, adjacent to Xuyi County, bordering the North Jiangsu Irrigation Canal in the north, and bordering Huaiyin District and Qingjiangpu District. Hongze shoulders two lakes (Hongze Lake and Baima Lake) and is surrounded by water on all sides. It is known as the "Pearl of Huaishang" and "Land of Fish and Rice". It is a new eco-tourism city along the lake.

As of October 8, 2016, the total area of Hongze District was 1394 square kilometers, of which the water area accounted for 55%. In 2015, the gross regional product of Hongze District was 23.081 billion yuan. According to the data of the seventh national population census, as of 0:00 on November 1, 2020, the permanent population of Hongze District was 285097, accounting for 6.26% of Huai'an City. In November 2017, Hongze District was awarded the "2017 Top Ten Quality Leisure Counties and Cities in China".

In 2020, Hongze District will achieve a GDP of 34.2 billion yuan, an increase of 3.5%.