Heng County, or Hengxian (simplified Chinese: 横县; traditional Chinese: 橫縣; pinyin: Héng Xiàn; Standard Zhuang: Hwngz Yen) is under the administration of Nanning, the capital of Guangxi Zhuang Autonomous Region, China, with a permanent population of 863,001 and a hukou population of 1,200,521 as of the 2010 Census.