Pisagua Department

Pisagua Department was a department in Tarapacá Province, Chile, from 1883 to 1974. It was ceded to Chile under the Treaty of Ancón, formerly being part of the Peruvian province of the same name.

History

The department was created on 31 October 1884 under the administration of the also new Tarapacá Province, both awarded to Chile under the Treaty of Ancón, along with Tacna [Province (Chile)|Tacna]. It was bordered to the north by the Arica Department, to the east by Bolivia (1809–1920)#Reconstruction under the [rule">History of Bolivia (1809–1920)">Bolivia (1809–1920)#Reconstruction under the [rule of the Conservatives, 1880-1899|Bolivia], to the south by the Tarapacá Department, and to the west by the Pacific Ocean.