What is the capital city of brazil?

The capital city of Brazil is Brasília. It is located in the federal district of the country and was built specifically to serve as the country's capital. Brasília was designed in the 1950s by urban planner Lúcio Costa and architect Oscar Niemeyer, with its modernist architecture and layout being influenced by the principles of Le Corbusier. The city is known for its unique layout, with different sectors and zones for different functions, including residential, commercial and governmental areas. Brasília is also home to many iconic buildings, such as the National Congress Building, the Supreme Federal Court, the Cathedral of Brasília, and the Palácio da Alvorada (the official residence of the President of Brazil). The population of Brasília is around 3.1 million people, and it serves as not only the political center but also an important economic and cultural hub of Brazil.