Roman Catholic Archdiocese of Rossano-Cariati Tags: Clerical Administrative Region, Diocese.The Italian Catholic Archdiocese of Rossano-Cariati (Latin: Archidioecesis Rossanensis-Cariatensis) in Calabria has existed since 597 beginning as the Diocese of Rossano. It is a suffragan of the archdiocese of Cosenza-Bisignano. thumbnail area (km2) 1.415e+09 country History of Roman Catholicism in Italy Established 597 province Roman Catholic Archdiocese of Cosenza-Bisignano Learn more... Loading...