The  county-level city of Ergun is divided into 2 subdistricts (街道办事处), 3 towns, 2 ethnic townships, one township and one sum.
As of 2006, their population was reported as follows:
Labudalin Subdistrict (拉布大林街道), 35,994 - seat of the city government.

Shangkuli Subdistrict (上库力街道), 7,032
Moridaga (Mo'erdaoga) Town (莫尔道嘎镇), 25,309
Heishantou Town (黑山头镇), 1,797
Enhe Hada Town (恩和哈达镇)
Sanhe Hui Ethnic Township (三河回族乡), 11,497
Shiwei (室韦)
Enhe (恩和)
Jiqian Township (奇乾乡)
Mengwu Shiwei Sum (蒙兀室韦苏木)
The  county-level city of Ergun is divided into 2 subdistricts (街道办事处), 3 towns, 2 ethnic townships, one township and one sum. As of 2006, their population was reported as follows:
Labudalin Subdistrict (拉布大林街道), 35,994 - seat of the city government.
Shangkuli Subdistrict (上库力街道), 7,032
Moridaga (Mo'erdaoga) Town (莫尔道嘎镇), 25,309
Heishantou Town (黑山头镇), 1,797
Enhe Hada Town (恩和哈达镇)
Sanhe Hui Ethnic Township (三河回族乡), 11,497
Shiwei (室韦)
Enhe (恩和)
Jiqian Township (奇乾乡)
Mengwu Shiwei Sum (蒙兀室韦苏木)
Ergun City