Alagoa is a city in the Brazilian state of Minas Gerais. In 2020 its population was estimated to be 2,665. Alagoa was founded on 28 December 1962. Turned into a municipality in 1962, the village of Alagoa was born by the Bandeirantes in the 18th century. It was part of the "Royal Road" to move gold and precious gems from the State of Minas Gerais to Rio de Janeiro and São Paulo seaports. The municipality contains 5.38% of the 22,917 hectares Serra do Papagaio State Park, created in 1998.