Is Xuyi County, Huai 'an City, Jiangsu Province north of Huaihe River or south of Huaihe River?

Xuyi County is located in the south of the lower reaches of Huaihe River and the south bank of Hongze Lake, with a total area of 2,483 square kilometers, and the per capita land area ranks first among counties (cities) in Jiangsu Province. Jurisdiction over 14 towns, 5 townships and 257 administrative villages (residences) with a total population of 740,000. The southwest of the area is high in terrain and hilly. Low-lying plains in Northeast China; It is stepped and inclined with a height difference of more than 220 meters. The Huaihe River flows through the territory and borders Hongze Lake in the north. There are many landforms such as low mountains, hills, plains, rivers and lakes. Known as "two acres of arable land, one acre of mountain, one acre of water, one acre of beach".