The Archdiocese of Udine is a Latin Church ecclesiastical territory or archdiocese of the Catholic Church in Italy. The see was established in 1752 when the Patriarchal see of Aquileia was divided. From 1818 to 1846 it was a suffragan diocese of the Patriarch of Venice.
The Diocese of Kotor is a Latin Church ecclesiastical jurisdiction or diocese of the Catholic Church in the Bay of Kotor and Municipality of Budva area in Montenegro. It is centered in the city of Kotor (Cattaro). It was erected as a diocese in the 10th century.
The Metropolitan Archdiocese of Madrid is a Latin archdiocese of the Catholic Church in Spain. It is one of Spain's fourteen metropolitan archbishoprics. Since 12 June 2023 the archbishop of Madrid has been José Cobo Cano.
The Diocese of Vallo della Lucania is a Latin Church diocese of the Catholic Church in Campania, has existed under this name since 1945. It is a suffragan of the Archdiocese of Salerno-Campagna-Acerno.
The Roman Catholic Diocese of Osimo was an ancient diocese in Italy. It was founded in the seventh century and in 1725 merged with the Diocese of Cingoli to form the Diocese of Osimo e Cingoli. It was contained within the Papal States.
The Diocese of Cádiz and Ceuta is a Latin Church diocese of the Catholic Church in Spain. The diocese is a suffragan of the Archdiocese of Seville.
The Archdiocese of Mérida–Badajoz is a Latin Church ecclesiastical territory of the Catholic Church in Spain, created in 1255. Until 1994, it was known as the Diocese of Badajoz.
The Archdiocese of Perugia-Città della Pieve is a Latin archdiocese of the Catholic Church. It was historically the Diocese of Perugia. It became the Archdiocese of Perugia in 1882, but without suffragans. It acquired suffragan dioceses in 1972. It was united in 1986 with the Diocese of Città della Pieve.
The Diocese of Nuoro is a Latin Church diocese of the Catholic Church in Sardinia. It is a suffragan of the archdiocese of Cagliari. Historically it was the diocese of Galtellì until 1779, and then the diocese of Galtellì-Nuoro until 1928.
The Diocese of Terni-Narni-Amelia is a Latin Church ecclesiastical territory or diocese of the Catholic Church in Umbria, central Italy. It was created in 1983, when the Diocese of Amelia was united with the Diocese of Terni and Narni. The latter had been in turn created in 1907, when the Diocese of Narni was united to the historical Diocese of Terni. The diocese is immediately exempt to the Holy See, not part of any ecclesiastical province.
The Diocese of Trivento is a Latin Church ecclesiastical territory or diocese of the Catholic Church in Italy. The Diocese of Trivento is a suffragan diocese in the ecclesiastical province of the metropolitan Archdiocese of Campobasso-Boiano, in the ecclesiastical region of Abruzzo-Molise, southern Italy.
The Diocese of Assisi-Nocera Umbra-Gualdo Tadino is a Latin diocese of the Catholic Church in Umbria, has existed since 1986. In that year the historic Diocese of Assisi, known as the birthplace of Francis of Assisi, was combined with the Diocese of Nocera Umbra-Gualdo Tadino. The diocese is a suffragan of the Archdiocese of Perugia-Città della Pieve.
The Diocese of Ales-Terralba is a Latin diocese of the Catholic Church located in Sardinia, Italy. It is a suffragan of the Archdiocese of Oristano.
The Archdiocese of Monreale is a Latin archdiocese of the Catholic Church in Sicily. As of 2000 it is no longer a metropolitan see, and is now a suffragan of the Archdiocese of Palermo.
The Diocese of Piazza Armerina is a Latin Church diocese of the Catholic Church in Sicily. It is a suffragan of the archdiocese of Agrigento.
The Diocese of Ozieri s a Latin Church diocese of the Catholic Church in Sardinia, Italy. It is a suffragan of the Metropolitan Archdiocese of Sassari.
The Diocese of Portalegre–Castelo Branco is a Latin Church diocese of the Catholic church in Portugal. It has carried this name since 1956, when the historical diocese of Portalegre was renamed. It is a suffragan of the archdiocese of Lisbon.
The Italian Catholic Diocese of Amelia, existed from the fifth century until 1983. In that year it was united into the new diocese of Terni, Narni, e Amelia. It was a suffragan of the archdiocese of Spoleto.
The Diocese of Malacca Johore is a diocese of the Latin Church of the Catholic Church in the Ecclesiastical province of Kuala Lumpur in Malaysia. It is located in southern region of Peninsular Malaysia, administering Melaka and Johor states.
The former Italian Catholic Diocese of Sant'Angelo dei Lombardi-Bisaccia, in the Province of Avellino, Southern Italy, existed until 1921, when it was united into the Archdiocese of Conza-Campagna to form the Archdiocese of Conza-Sant'Angelo dei Lombardi-Bisaccia.
Italy 
