Florianópolis is the capital city and second largest city of the state of Santa Catarina, in the South region of Brazil. It is composed of one main island, the Island of Santa Catarina (Ilha de Santa Catarina), a continental part and the surrounding small islands. It has a population of 461,524, according to the 2014 IBGE population estimate, the second most populous city in the state (after Joinville), and the 47th in Brazil. The metropolitan area has an estimated population of 1,111,702, the 21st largest in the country. The city is known for having a very high quality of life, ranked as the country's third highest Human Development Index score among all Brazilian cities (0.847).