a republic in South America, on the Pacific, with a total length of about 4090 km (2650 miles) and an average width of only 177 km (110 miles): gained independence from Spain in 1818; the government of President Allende (elected 1970) attempted the implementation of Marxist policies within a democratic system until overthrown by a military coup (1973); democracy restored 1988. Chile consists chiefly of the Andes in the east, the Atacama Desert in the north, a central fertile region, and a huge S region of almost uninhabitable mountains, glaciers, fjords, and islands; an important producer of copper, iron ore, nitrates, etc. Language: Spanish. Religion: Roman Catholic majority. Currency: peso. Capitals: Santiago and Valparaíso (seat of National Congress). Pop: 18 054 726 (2017 est). Area: 756 945 sq km (292 256 sq miles)