Águas de São Pedro
Recognizing the importance of the thermal springs in the region, the São Paulo State Government on 19 June 1940 founded the (Hydromineral and Climatic Spa of Águas de São Pedro). Despite this, the city celebrates its birthday on 25 July, the date in 1940 of the founding of the first major building in the city, the "Grande Hotel" (now "Grande Hotel São Pedro"). The municipality of Águas de São Pedro was incorporated by State Law No.233, of 24 December 1948.
Água Preta
Água Preta was founded as a district of the municipality of Rio Formoso in 10 de novembro 1809. It became an independent municipality on July 3, 1895. The Praieira revolt (1848-1849), which originated Recife, spread to Água Preta in its first year. Captain Pedro Ivo Veloso da Silveira (? - 1852) took refuge in the forests of Agua Preta after the defeat of his faction in Recife and organized a guerrilla resistance for two years before his surrender.The main economic activities in Água Preta are based in agribusiness, especially plantations of sugarcane, and the raising of cattle, sheep and buffaloes.