Roman Catholic Diocese of São João da Boa Vista Tags: Clerical Administrative Region, Diocese.The Roman Catholic Diocese of São João da Boa Vista (Latin: Dioecesis Sancti Ioannis in Brasilia) is a diocese located in the city of São João da Boa Vista in the Ecclesiastical province of Ribeirão Preto in Brazil. area (km2) 7.153e+09 country Brazil Established 16 January 1960 ( years ago) jurisdiction Diocese province Roman Catholic Archdiocese of Ribeirão Preto Learn more... Loading...