Arica y Parinacota Region

Chile’s northernmost administrative region borders Peru and Bolivia and is centered on the Pacific port city of Arica. Its landscapes rise from the Atacama coast to the Andean plateau.

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Arica: A Pacific port city in northern Chile and the capital of Arica y Parinacota Region. The region’s capital concentrates its population, port activity, and government.
Lluta River: A river in northern Chile that flows from the Andes to the Pacific near Arica. Its valley carries water and transport corridors across an otherwise arid landscape.
War of the Pacific: A war fought from 1879 to 1884 between Chile and the allied countries of Peru and Bolivia. Chile’s victory brought the territory around Arica under Chilean control.
Port of Arica: A Pacific seaport in northern Chile that serves domestic and regional trade. The port gives the region a major role in Bolivia’s access to the sea.
Parinacota Province: A high-altitude province in Chile’s Arica y Parinacota Region, bordering Peru and Bolivia. It covers the region’s sparsely populated Andean interior.
Azapa Valley: An irrigated agricultural valley near Arica in northern Chile. Its crops depend on river-fed irrigation in the Atacama Desert.
Treaty of Ancón: An 1883 treaty that ended hostilities between Chile and Peru and transferred Tarapacá to Chile. It began the postwar settlement that shaped Chile’s northern territorial claims.
Chacalluta Border Crossing: A major road border crossing between Chile and Peru near Arica and Tacna. It channels cross-border travel and commerce at the region’s northern edge.
Arica Province: A province in northern Chile comprising Arica y Parinacota Region’s Pacific coast and adjoining valleys. It contains the regional capital and most of the region’s residents.
Lauca National Park: A protected high-Andean area in Chile’s Parinacota Province, including Lake Chungará and volcanoes. It safeguards the region’s high-altitude ecosystems and iconic Andean scenery.