 Some divisions, such as Tongliao, have a much higher percentage of Mongolian population, but agriculture is extensive among Khorchin Mongols there.Xilingol League is also the closest Inner Mongolian prefecture-level division to Beijing; although, among those Inner Mongolian prefecture-level divisions bordering Hebei, the province surrounding Beijing, Xilin Gol is also the most unapproachable one.With a significant population of Chakhar Mongols, who speak a Mongolian dialect closely related to the standard dialect of Mongolia, the dialect also spoken in Xulun Hoh Banner, Xilin Gol League's variety is chosen as the standard language of Mongolian in China.