Brasília () is the capital city of Brazil. The name is commonly spelled "Brasilia" in English. The city and its Federal District are in the Central-West region of the country. It is on a plateau known as "Planalto Central". Brasília has a population of about 2,557,000 (3,599,000 in the metropolitan area) as of the 2008 IBGE estimate. It is the fourth largest city in Brazil. But the Brasília metropolitan area is the sixth largest in the nation. It is listed as a World Heritage Site. Brasília hosts 124 foreign embassies.