The Diocese of Oliveira was created on December 20, 1941, by Pope Pius XII (Bula Quo uberiores fructus), as a result of the dismemberment of Belo Horizonte's Archdiocese. The diocese is located in the mid-south region of the state of Minas Gerais bordering the dioceses of Campanha, Divinópolis, Luz and São João del Rei and the archdioceses of Belo Horizonte and Mariana. The entire territory is almost 8.000 km2 with a population of 300 thousand believers. In total, there are 28 parishes distributed in Oliveira's surroundings municipalities: Aguanil, Bom Sucesso, Campo Belo, Cana Verde, Candeias, Carmo da Mata, Carmópolis de Minas, Cristais, Desterro de Entre Rios, Itaguara, Oliveira, Passa Tempo, Perdões, Piracema, Ribeirão Vermelho, Santana do Jacaré, Santo Antônio do Amparo, São Francisco de Paula and São Tiago.