Keerqinzuoyihou Qi (Keerqin Left Back Banner) is in the south of Tongliao. In short, it is called Ke Zuo Hou Qi. Its neighbors include Shuangliao of Jijin Province in the northeast, Zhangwu, Kangping and Changtu of Liaoning Province in the east and south, Kulun Qi, Naiman Qi, Kailu Town, Keerqin District and Ke Zuo Zhong Qi in the east and north. Ke Zuo Hou Qi covers an area of 1,1476 square kilometers
and has a population of 400,000 people (Year 2014). There are 24 towns in total.
Ke Zuo Hou Qi is in between the Keerqin Sandy Land and Songliao Plain. Only 3% of the area is flood plain, located in the conjuncture of East Liao River and West Liao River. All the rest are landscape characterized by mixture of sand dunes and grasslands. The highest point is 308.4m and lowest point is 88.5m.
Ke Zuo Hou Qi is the hometown of the famous general in Qing Dynasty, Zenggelinqin. The most famous tourist sites include Da Qing Go, also known as the Pearl of Sandy Land, the Liao Tomb in Tuerji Moutain and Shuangheer Mountain in Agula Town.