Harqin Left Wing Mongolian Autonomous County[2] (Chinese: 喀喇沁左翼蒙古族自治县), also abbreviated as Harqin County or Kazuo County, is a Mongolian autonomous county in the west of Liaoning province, China.

It is under the administration of Chaoyang City, 77 km (48 mi) to the northeast, and has a population of 346,133 (2020) residing in an area of 2,240 km2 (860 sq mi).

Formerly known as Harqin Left Wing Banner (喀喇沁左翼旗).

Harqin Lef Wing is divided into 2 subdistricts, 14 towns and 5 townships.

[3] This Liaoning location article is a stub.