Ushuaiais a resort city andthecapitalofTierra del Fuego, Antártida e Islas del Atlántico Sur Province, Argentina. It is commonly regarded as thesouthernmost city in the world.Ushuaia is located in a widebayon the southern coast ofIsla Grande de Tierra del Fuego, bounded on the north by theMartial mountainrange, and on the south by theBeagle Channel. It is the onlymunicipalityin the Department of Ushuaia, which has an area of 9,390km2(3,625sqmi).
It's the gateway to Antarctica cruises and tours to nearby Isla Yécapasela, known as “Penguin Island” for its penguin colonies.