Zhang Zhizhong or Chang Chih-chung was a Chinese military commander and politician, general in the National Revolutionary Army of the Republic of China and later a pro-Communist politician in the People's Republic of China.

Chaohu is a county-level city of Anhui Province, China, it is under the administration of the prefecture-level city of Hefei. Situated on the northeast and southeast shores of Lake Chao, from which the city was named, Chaohu is under the administration of Hefei, the provincial capital, and is the latter's easternmost county-level division.