It is a suffragan in the ecclesiastical province of the metropolitan Archdiocese of Ravenna-Cervia.

It has its collegiate cathedral episcopal see S. Bartolomeo, dedicated to the Apostle St. Bartholomew, in Pennabilli, Rimini, Emilia Romagna, and two co-cathedrals: The earliest mention of Montefeltro, as Mona Feretri, is in the diplomas by which first Holy Roman Emperor Charlemagne confirmed the donation of Pepin.

Under Bishop Flaminios Dondi (1724) the see was again transferred to San Leo, but later it returned to Pennabilli.

The historic diocese was a suffragan of the Roman Catholic Archdiocese of Urbino.

[4] (incomplete; sometimes sources contradict) Latin Name: Feretrana (seu Montis Feltri) Erected: 9th Century Metropolitan: Archdiocese of Urbino Name Changed: 22 February 1977 Latin Name: Sammarinensis-Feretrana Metropolitan: Archdiocese of Ravenna-Cervia This article incorporates text from a publication now in the public domain: Herbermann, Charles, ed.