What is "bayannur"

Bayannur or Bayannao'er (; ) is a prefecture-level city in western Inner Mongolia, People's Republic of China. Until December 1, 2003, the area was called Bayannur League.

Bayannur has an administrative area of . The name of the city in Mongolian means "Rich Lake". At the 2010 census, the total population of Bayannur is up to 1,669,915, while the city proper, Linhe District, has 520,300 inhabitants.