Suining County (simplified Chinese: 睢宁县; traditional Chinese: 睢寧縣; pinyin: Suīníng Xiàn; Wade–Giles: Sui-ning) is under the administration of Xuzhou, Jiangsu province, China; it is the southernmost county-level division of Xuzhou and borders the prefecture-level cities of Suqian to the east and Suzhou of Anhui to the south and west.

Suining basically was a part of former Suiling (睢陵) county by the Han.

In 1218, it became a separate county seated at the old walled city of Suqian,[2] and named "Suining" (literally: Bring peace to the Sui basin).

The ancient city Xiapi, where Pizhou used to seated is located in Gupi (古邳) Town.

[4] Xuzhou Guanyin Airport is located in Shuanggou Town.