Ziyang District in Hunan Province, China had a permanent resident population of 421,000 as of 2015.
Ziyang District (simplified Chinese: ; traditional Chinese: ; pinyin: Ziyang Qu) is one of two districts in Yiyang City, Hunan Province, China. Ziyang District covers an area of 571.8 km (220.8 sq mi), as of 2015, it had a permanent resident population of 421,000. 
