Xinxing County, alternately romanized as Sunhing,[a] is a county of the prefecture-level city of Yunfu in the west of Guangdong province, China.

Xinxing County was formally established in the third year of da ye era, Sui dynasty (隋大業三年) (607 CE).

Under the Qing dynasty (清朝), Xinxing County was administered as part of the commandery of Zhaoqing.

[1] Notable people:

This Yunfu location article is a stub.