Dingziwan (simplified Chinese: 丁字湾街道; traditional Chinese: 丁字灣街道; pinyin: Dīngzìwān Jiēdào) is a subdistrict of the Wangcheng district, Changsha, Hunan China, located on the eastern bank of the Xiang River.

[1] The Xianing sub-division (霞凝区) was a controlled district of Wangcheng county (县辖区), which was created by merging various townships and villages.

It had an area of 89.39 km2 (34.51 sq mi) with eight villages, two residential communities, and a population of 58,800 people under its jurisdiction.

The Dingziwan subdistrict has an area of 39.89 km2 (15.40 sq mi) containing two residential communities and three villages, with a total population of about 31,000 people.

[3][4] The Shutangshan subdistrict had an area of 49.50 km2 (19.11 sq mi) with five villages under its jurisdiction (Shutangshan [书堂山], Heqiao [何桥], Shizhuhu [石渚湖], Zhongshan [中山] and Caitaoyuan [彩陶源])[5] and a population of about 31,000 people, before being merged with the Tongguan subdistrict on November 19, 2015.