Brazil is the largest and easternmost country in South America and Latin America. Its formal name is Federative Republic of Brazil. Brazil is the seventh most populous and fifth-largest country in the world in terms of area. São Paulo is the most populated city, and Brasília serves as its capital. Brazil is a federation made up of one federal district and twenty-six states. The only nation in the Americas with Portuguese as an official language is this one. Because to more than a century of widespread immigration from all over the world, Brazil is one of the most cosmopolitan and ethnically diverse countries in the world.