Changxing is a county located in the northwest region of Zhejiang province, China. It falls under the jurisdiction of the prefecture-level city of Huzhou and covers a total land area of 1,430 square kilometers (550 square miles).
The county is situated on the southwest shore of Lake Tai and shares borders with Jiangsu province to the north and Anhui province to the west. It has a recorded population of approximately 620,000 inhabitants.