Araçoiaba da Serra is a city in the state of São Paulo in Brazil.

[3] The elevation is 625 m. The name Araçoiaba comes from the Tupi language, meaning "hider of the sun".

This name comes from a single mountain nearby that the natives noted hid the sun as it set in the area.

[4] In July 1998, this company was acquired by Telefónica, which adopted the Vivo brand in 2012.

[5] The company is currently an operator of cell phones, fixed lines, internet (fiber optics/4G) and television (satellite and cable).