Ushuaia is the capital of Provincia de Tierra del Fuego, Antártida e Islas del Atlántico Sur Province, Argentina. It is commonly regarded as the southernmost city in the world (a title long disputed by smaller Puerto Williams). Ushuaia is located in a wide bay on the southern coast of Isla Grande de Tierra del Fuego, bounded on the north by the Martial mountain range and on the south by the Beagle Channel. It is the only municipality in the Department of Ushuaia, which has an area of 9,390 km (3,625 sq mi)
