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.
São João de Areias
At the beginning of the 16th century (10 April 1514 specifically) Manuel I conceded a foral ("charter"), resulting in the building of the pillory of São João de Areias. The regal population cadastral document for 1527, indicated that the municipality of São João de Areias included the parishes of São João and Parada. Silvares was the seat of a small municipality, alongside that of São João de Areias, where 25 inhabitants (13 in Silvares, eight in Casal and four in Venda [da Guarita]) had homes. Sometime between the 15th and 16th centuries there was a growth in the construction of religious buildings, that would repeat itself in the 18th century. Seven chapels were constructed during this epoch, and dedicated to São Sebastião, São Pedro, São Silvestre, São João Evangelista, Santo António and São Miguel, in addition to a chapel to Nossa Senhora da Graça, and later the chapels dedicated to São José and São Francisco (no Casal).