Hinggann or Xīng'ān is a League (a prefecture-level administrative division) of Inner Mongolia, China. It borders Hulun Buir to the north, the independent state of Mongolia and Xilingol League to the west, Tongliao to the south and the provinces of Jilin and Heilongjiang to the east. The name is derived from the Greater Khingan mountain range that crosses the league from the northwest to the southeast.Administrative SubdivisionsHinggan league is divided into 2 county-level cities, 1 county and 3 banners:DemographicsIn 2000, Hinggan League had 1,588,787 inhabitants (26.57 per km²).Literature Jinri Nei Menggu: Xing'an 今日内蒙古: 兴安 . 内蒙古人民出版社 . 呼和浩特 Hohhot 1997.. 9+121 pages.