Brasília (Portuguese pronunciation: [bɾaˈziljɐ]) is the federal capital of Brazil and the seat of government of the Federal District. The city is located along the Brazilian Highlands in the country's Central-West region. It was founded on April 21, 1960, to serve as the new national capital. Brasília, the fastest growing major city in the country, had an estimated population of 2,900,000 in 2015 (4,118,000 including metro), just 50,000 residents shy of Salvador, placing it as the 4th most populous city in Brazil.