Bactria was an ancient region of Central Asia centred on the city of Balk (Bactra) in present-day Afghanistan.
Bactria may also refer to: Bactria (satrapy), administrative division of the Achaemenid Empire covering the region Bactria (fly), a genus of insects in the family Asilidae Bactria (plant), a genus of plants in the family Polygonaceae
See also Bactrian (disambiguation) Balkh (disambiguation) Bahlika (disambiguation), Sanskrit name of the region Daxia (disambiguation), Chinese name of the region Bactra (moth), a moth genus