Attock (Urdu: اٹک) (formerly Campbellpur) is a city located in the northern border of the Punjab province of Pakistan and the headquarters of Attock District. In the 1901 census, Attock was reported to have had a population of 2866 people, a figure which has grown dramatically during the 20th century with 69,588 reported in the 1998 census and contemporary estimates approaching 100,000.

It is located on the bank of the Indus, just 80 km (50 mi) from Rawalpindi, 100 km (62 mi) from Peshawar, and 10 km (6 mi) from the Pakistan Aeronautical Complex, Kamra.

Gandhara was a historic region of ancient India (which corresponds to areas of north west Pakistan including Attock). Situated astride the middle Indus River, the region had Taxila and Peshawar as its chief cities. It was originally a province of the Persian Empire and was reached (327 B.C.) by Alexander the Great. The region passed to Chandragupta, founder of the Maurya empire, in the late 4th century B.C., and under Asoka was converted (mid-3d cent.) to Buddhism. It was part of Bactria from the late 3d cent. to the 1st cent. B.C. Under the Kushan dynasty (1st cent.–3d cent. A.D.), and especially under Kanishka, Gandhara developed a noted school of sculpture, consisting mainly of images of Buddha and relief’s representing scenes from Buddhist texts, but with marked Greco-Roman elements of style. The art form flourished in Gandhara until the 5th century, when the region was conquered by the Huns.