All three branches of Brazil's federal government are centered in the city: executive, legislative and judiciary. Brasília also hosts 124 foreign embassies. The city's international airport connects it to all other major Brazilian cities and some international destinations, and it is the third-busiest airport in Brazil. It was one of the main host cities of the 2014 FIFA World Cup and hosted some of the football matches during the 2016 Summer Olympics; it also hosted the 2013 FIFA Confederations Cup.