#South American geography

• Amazonian — Pertaining to the Amazon River region or the Amazon rainforest; specific to the vast South American ecosystem characterized by extreme humidity and rich biodiversity. Culturally, it defines indigenous communities or geographic features of the Amazon basin.
• Antofagasta — A major port city and municipality in northern Chile, located on the Pacific Ocean coast and serving as the capital of the homonymous region. Structurally situated at the edge of the Atacama Desert, this urban center is a fundamental economic pillar of the country, historically and globally recognized for its massive export of minerals (especially copper and saltpeter) and for its precision industrial and port infrastructure.
• Artigas — A proper surname of Iberian (Catalan/Aragonese) origin, made globally famous by José Gervasio Artigas, the national hero of Uruguay considered the father of the country's independence. As a toponymic eponym, the name designates an administrative department, a border city in Uruguay, and an Antarctic scientific base.