Brazil Listeni/brəˈzɪl/ (Portuguese: Brasil, IPA: [bɾaˈziw][8]), officially the Federative Republic of Brazil (Portuguese: República Federativa do Brasil, About this sound listen (help·info)),[9] is the largest country in both South America and the Latin American region. It is the world's fifth largest country, both by geographical area and by population.[10] It is the largest Lusophone country in the world, and the only one in the Americas.[11]