Santo Amaro, also known as Santo Amaro da Purificação is a municipality in the state of Bahia in Brazil. The population in 2003 is 58,414, the density is 120.2/km² the area is 486 km². It is a suburb of Salvador and it is located in the metropolitan area of Salvador.
Santo Amaro da Purificação, located about 73 kilometers from the city of Salvador, was formerly established as a sugar production center and now contains the historic remnants of its past, including its most famous church, the Igreja Matriz Santo Amaro da Purificação. Other historic structures include the remains of the mansions of former sugar barons and a municipal palace built in 1769. The area is noted for its nearby beautiful beaches, the Falls of Vitória, and the grotto of Bom Jesus dos Pobres. The town features prominently in the novel The War of the Saints by Jorge Amado.