Kailu County is located in the west of Tongliao City, Inner Mongolia, between 120°25'-121°52' east longitude and 43°9'-44°10' north latitude. It is adjacent to Horqin District in the east and Horqin District in the west. It borders Wengniute Banner and Arukorqin Banner, Naiman Banner and Kezuohou Banner to the south, and Zalut Banner and Kezuo Middle Banner to the north

Naiman Banner is located in the southwest of Tongliao City, Inner Mongolia, Horqin On the southern edge of the sandy land, the topographic and landform characteristics are generally summarized as "a river in the south, sand in the south, two mountains, six sands and two plains".