Bayan County () is a county of Heilongjiang Province, Northeast China, it is under the administration of the prefecture-level city of Harbin, the capital of Heilongjiang. It borders Mulan County to the east, Bin County to the south, Hulan District to the west, as well as the prefecture-level city of Suihua to the north.
Administrative divisions
There are ten towns and eight townships in the county:
Towns (镇）
Bayan () Xinglong () Xiji () Waxing () Longquan () Bayangang () Longmiao () Wanfa () Tianzeng () Heishan ()
Townships (乡) Songhuajiang Township () Fujiang Township () Huashan Township () Fengle Township () Dexiang Township () Hongguang Township () Shanhou Township () Zhendong Township ()
Demographics
The population of the district was in 1999.