Petrolândia is a municipality in the state of Pernambuco, Brazil. It is in the São Francisco Region. Petrolândia has a total area of 1056.6 square kilometers and had an estimated population of 36,901 inhabitants in 2020 according to the IBGE. It has one of the largest GDP per capita of Sertão due to the location of one hydroelectric power plant, property of CHESF.