Chiang Kham District is a district (amphoe) in the northeastern part of Phayao Province, northern Thailand. Neighbouring districts are (from the south clockwise): Pong, Chun of Phayao Province; Thoeng of Chiang Rai Province; and Phu Sang of Phayao Province. To the northeast is Xaignabouli Province of Laos. Chiang Kham District is divided into 10 sub-districts (tambons), which are further subdivided into 135 administrative villages (mubans).

Source: Wikipedia