Jaçanã is a borough of the city of São Paulo

São Paulo

São Paulo is the largest city in Brazil, the largest city in the southern hemisphere and South America, and the world's seventh largest city by population. The metropolis is anchor to the São Paulo metropolitan area, ranked as the second-most populous metropolitan area in the Americas and among...

, Brazil

Brazil

Brazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...

. It constitutes with Tremembé the subprefecture Jaçanã-Tremembé, marking the northern boundaries of the city.

Like Parelheiros

Parelheiros

Parelheiros is rural district located in the extreme south of the city of São Paulo, and is also one of the districts with the largest territorial area. Very little of this area is inhabited, and is covered with reserves of the Atlantic Forest...

, most of the area of this borough is rural, although in the southern areas there is an urban area. It contains the Cantareira Park, the largest native urban forest

Urban forest

An urban forest is a forest or a collection of trees that grow within a city, town or a suburb. In a wider sense it may include any kind of woody plant vegetation growing in and around human settlements. In a narrower sense it describes areas whose ecosystems are inherited from wilderness...

 in the world.

In 1870, the borough was known as Uroguapira because it was thought that there was gold (Portuguese

Portuguese language

Portuguese is a Romance language that arose in the medieval Kingdom of Galicia, nowadays Galicia and Northern Portugal. The southern part of the Kingdom of Galicia became independent as the County of Portugal in 1095...

 ouro) in the area. As this was only a rumor, the name given by the aboriginal people

Indigenous peoples of the Americas

The indigenous peoples of the Americas are the pre-Columbian inhabitants of North and South America, their descendants and other ethnic groups who are identified with those peoples. Indigenous peoples are known in Canada as Aboriginal peoples, and in the United States as Native Americans...

 for the region of the Cantareira was shortened to Guapira. In 1 June 1930, the name of the borough was changed to Jaçanã (a bird known in English as the Wattled Jacana

Wattled Jacana

The Wattled Jacana Jacana jacana is a wader which is a resident breeder from western Panama and Trinidad south through most of South America east of the Andes....

).

The borough of Jaçanã became known not only in São Paulo, but also in diverse parts of Brazil because of the music "Trem das Onze

Trem das Onze

"Trem das Onze" is a famous classical samba composition by Brazilian singer Adoniran Barbosa , released in 1964 and made famous that same year by the samba group Demônios da Garoa...

", by Adoniran Barbosa

Adoniran Barbosa

Adoniran Barbosa, artistic name of João Rubinato , was a famous Brazilian traditional samba singer and composer.-Early years:...

. In 1949 Jaçanã became the site of the first film studio of São Paulo: the Cinematographic Company Maristela, the main cultural focus of the borough.

Located in the north of the city of São Paulo, the district of Jaçanã, according to Census

Census

A census is the procedure of systematically acquiring and recording information about the members of a given population. It is a regularly occurring and official count of a particular population. The term is used mostly in connection with national population and housing censuses; other common...

 2000, carried out for the Brazilian Institute of Geography and Statistics (IBGE

IBGE

The Brazilian Institute of Geography and Statistics or IBGE , is the agency responsible for statistical, geographic, cartographic, geodetic and environmental information in Brazil...

), has a population of approximately 91,649 inhabitants: 43,702 men and 47,947 women.