Juazeiro, formerly also known as Joazeiro, is a municipality in the state of Bahia, in the northeastern region of Brazil. The city is twinned with P…Juazeiro, formerly also known as Joazeiro, is a municipality in the state of Bahia, in the northeastern region of Brazil. The city is twinned with Petrolina, in the state of Pernambuco. The two cities are connected by a modern bridge crossing the São Francisco River. Together they form the metropolitan region of Petrolina-Juazeiro, an urban conglomerate of close to 500,000 inhabitants.