加尔萨（葡萄牙语：Garça）是巴西圣保罗州的一个市镇。总面积555.771平方公里，总人口44396人，人口密度79.9人/平方公里。

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Garça is a town located in the west-central part of the state of São Paulo, Brazil. The population is 44,532 (2015 est.) in an area of 556 km².

Established on October 4, 1924, it was one of the cities that had been part of the coffee circle, in the beginning of the 20th century. Garça is known for its coffee plantations, the iron line city and by the Festa da Cerejeira ("cherry tree festival") that takes place every year. The average altitude is 663 m (2,175 ft) above sea level.