French Guyana
Yes, Brazil is a country located in South America. And it is the only country that speaks Portuguese in South America.
Brazil is the only country in South America where Portuguese is the official language.
Suriname. Curacao. ABC Islands.
French Guiana is the only country in South America that speaks French.
I think the only country that speaks Dutch in South America is Suriname.
Brazil is the South American country that doesn't speak Spanish; rather, Portuguese is the official language spoken in Brazil.
Bolivia, Per
The count in South America that speaks Spanish is Uruguay. It is also the second smallest country in South America.
Peru
Portuguese is spoken in Brazil because Brazil was once a colony of Portugal.
In Brazil, there are communities where German is spoken. Specifically, in the state of Rio Grande do Sul, the Hunsrückisch dialect of German is spoken by descendants of German immigrants.