Roman Catholic Diocese of Santa Cruz do Sul Tags: Clerical Administrative Region, Diocese.The Roman Catholic Diocese of Santa Cruz do Sul (Latin: Dioecesis Sanctae Crucis in Brasilia) is a diocese located in the city of Santa Cruz do Sul in the Ecclesiastical province of Santa Maria in Brazil. thumbnail area (km2) 1.7168e+10 country Brazil Established 20 June 1959 ( years ago) jurisdiction Diocese province Roman Catholic Archdiocese of Santa Maria Learn more... Loading...