Roman Catholic Diocese of Mostar-Duvno

Diocese of Mostar-Duvno Dioecesis Mandentriensis-Dulminiensis Mostarsko-duvanjska biskupija
Location
Country	Bosnia and Herzegovina
Ecclesiastical province	Archdiocese of Vrhbosna
Coordinates	43°20′20″N 17°47′52″E / 43.33889°N 17.79778°E / 43.33889; 17.79778
Statistics
Area	8,368 km2 (3,231 sq mi)
Population - Total - Catholics	(as of 2016) 454,505 170,808 (37.58%)
Parishes	66
Information
Denomination	Catholic
Sui iuris church	Latin Church
Rite	Roman Rite
Established	5 July 1881
Cathedral	Cathedral of Mary, Mother of the Church
Patron saint	Saint Joseph
Secular priests	67
Current leadership
Pope	Francis
Bishop	Petar Palić
Vicar General	Nikola Menalo
Episcopal Vicars	Ante Luburić
Judicial Vicar	Nikola Menalo
Bishops emeritus	Ratko Perić
Map
Website
biskupija-mostar.ba

The Diocese of Mostar-Duvno (Latin: Dioecesis Mandentriensis-Dulminiensis) is a Latin Church diocese of the Catholic Church in Bosnia and Herzegovina. It encompasses northern Herzegovina. The episcopal seat is in Mostar, Bosnia and Herzegovina. It was formed on 5 July 1881, when the Apostolic Vicariate of Herzegovina was elevated to the diocese. It is the largest Catholic diocese in Bosnia and Herzegovina by the number of Catholics.

The Diocese of Mostar-Duvno also retains the episcopal tradition from the Diocese of Duvno, an antique diocese first mentioned in 591, suppressed in the 7th century and reestablished in the 14th century.

The seat of the diocese is the Cathedral of Mary, Mother of the Church. The diocese releases a monthly magazine Crkva na kamenu.

The diocese covers area of 8,368 square kilometres (3,231 sq mi), with 175,395 Catholics in 66 parishes of the diocese. There are 67 diocesan priests. The Franciscan Province of Herzegovina is serving 29 parishes.

The current bishop of Mostar-Duvno is Petar Palić. He also serves as Apostolic Administrator of Trebinje-Mrkan, which is administered by the bishops of Mostar-Duvno since 1890.