- Source: Yanzigou
Yanzigou (Chinese: 燕子沟镇; pinyin: Yànzigōu Zhèn; Tibetan: ཁུག་རྟ་ལུང་གྲོང་རྡལ།, Wylie: khug rta lung grong rdal), formerly Xinxing township (Chinese: 新兴乡), is a town in Luding County in Garzê Tibetan Autonomous Prefecture of Sichuan, China.
In 2019, Xinxing had a total population of 5,400.