Diocese of Koszalin-Kołobrzeg Dioecesis Coslinensis-Colubregana Diecezja Koszalińsko-Kołobrzeska
Cathedral of the Immaculate Conception inKoszalin
Location
Country	Poland
Ecclesiastical province	Szczecin-Kamień
Statistics
Area	14,640 km2 (5,650 sq mi)
Population Total Catholics	(as of 2019) 901,120 811,430 (90%)
Information
Denomination	Catholic Church
Sui iuris church	Latin Church
Rite	Roman Rite
Established	28 June 1972
Cathedral	Katedra pw. Niepokalanego Poczęcia Najświętszej Maryi Panny in Koszalin
Co-cathedral	Bazylika Konkatedralna Wniebowzięcia Najświętszej Maryi Panny in Kołobrzegu
Current leadership
Pope	Leo XIV
Bishop	vacant
Auxiliary Bishops	Krzysztof Zadarko
Bishops emeritus	Paweł Cieślik Edward Dajczak
Website
diecezjakoszalin.pl

TheDiocese of Koszalin-Kołobrzeg (Latin:Dioecesis Coslinensis-Colubregana) is aLatin Church ecclesiastical jurisdiction ofdiocese of theCatholic Church in northwesternPoland. The diocese is asuffragan in theecclesiastical province of themetropolitanArchdiocese of Szczecin-Kamień. The Diocese of Koszalin-Kołobrzeg'scathedral is the Katedra Niepokalanego Poczęcia NMP, inKoszalin. There is also aco-cathedral, theminor basilica Bazylika Konkatedralna Wniebowzięcia NMP, inKołobrzeg, both inZachodniopomorskie.^[1]

As of 2014^[update], it pastorally served 822,058Catholics (90.0% of 912,929 total) on 14,640 km² in 220 parishes with 574priests (439diocesan, 135 religious), 367 lay religious (142 brothers, 225 sisters) and 53 seminarians.^[1] According to the Polish Institute of the Catholic Church Statistics, weekly mass attendance was 25% in 2013 making the diocese the second least devoutly religious one in Poland after theArchdiocese of Szczecin-Kamień.

In 1000 theDiocese of Kołobrzeg was established inKołobrzeg by Polish rulerBolesław I the Brave, along with the dioceses ofWrocław andKraków and theArchdiocese of Gniezno, as one of the oldest Polish dioceses (the only older diocese being thediocese of Poznań, established in 968).

In 1015 it was however suppressed, its territory being reassigned partly to the MetropolitanArchdiocese of Gniezno (from 1145 however signed over to the exemptDiocese of Kammin), and partly to establish theDiocese of Kujawy–Pomorze (which would merge into aforementioned Gniezno). Only one residential bishop of Kołobrzeg is recorded:Reinbern (1000 – 1007), died 1013.

• 1945 - part ofApostolic Administration of Kamień, Lubusz and the Prelature of Piła
• Established on June 28, 1972 asDiocese of Koszalin – Kołobrzeg, part of theecclesiastical province of Gniezno, on territories split off from theDiocese of Berlin and from parts of the suppressedTerritorial Prelature of Piła, but formally restoring the Kołobrzeg diocese.
• Enjoyed aPapal visit from the PolishPope John Paul II in June 1991.
• Gained territory on 1992.03.25 from theRoman Catholic Diocese of Zielona Góra-Gorzów, retroceedimg at the same time easterndeaneries to theDiocese of Chełmno, and made part of theecclesiastical province of Szczecin-Kamień
• Lost territory on 2004.02.24 to establish theDiocese of Bydgoszcz

^[1]

• Ignacy Ludwik Jeż (1972.06.28 – retired 1992.02.01), died 2006; previouslyTitular Bishop ofAlba marittima (1960.04.20 – 1972.06.28), first asAuxiliary Bishop ofArchdiocese of Gniezno (Gnesen, Poland) (1960.04.20 – 1967), then as Auxiliary Bishop ofArchdiocese of Wrocław (Breslau, Poland) (1967 – 1972.06.28)
• Czesław Domin (1992.02.01 – death 1996.03.15), previously Titular Bishop ofDagnum (1970.06.06 – 1992.02.01) as Auxiliary Bishop ofDiocese of Katowice (Poland) (1970.06.06 – 1992.02.01)
• Marian Gołębiewski (1996.07.20 – 2004.04.03), next Metropolitan Archbishop ofWrocław (Poland) (2004.04.03 – retired 2013.05.18)
• Kazimierz Nycz (2004.06.09 – 2007.03.03), previously Titular Bishop ofVilla regis (1988.05.14 – 2004.06.09) as Auxiliary Bishop ofArchdiocese of Kraków (Cracovia, Poland) (1988.05.14 – 2004.06.09); later Metropolitan Archbishop of Warszawa (Poland) (2007.03.03 – ...), Ordinary ofPoland of the Eastern Rite (2007.06.09 – ...), createdCardinal-Priest ofSs. Silvestro e Martino ai Monti (2010.11.20 [2011.04.29] – ...)
• Edward Dajczak (2007.06.23 – 2 February 2023), previously Titular Bishop ofAzura (1989.12.15 – 2007.06.23) as Auxiliary Bishop ofDiocese of Zielona Góra-Gorzów (Poland) (1989.12.15 – 2007.06.23).
• Zbigniew Zieliński (2023.02.02 – 19 March 2025), previously Titular Bishop ofMedeli (2015-09-26 – 2022-03-10) as Auxiliary Bishop ofArchdiocese of Gdańsk (2015-09-26 – 2022-03-10); later Metropolitan Archbishop of Poznań (Poland) (2025-03-19 – ...)

• List of Catholic dioceses in Poland
• Roman Catholicism in Poland

• GCatholic.org, with Google map and satellite photo - data for all sections
• Catholic Hierarchy
• Diocesan website

54°11′22″N16°10′49″E / 54.1895°N 16.1804°E /54.1895; 16.1804

• Roman Catholic dioceses in Poland
• Christian organizations established in 1972
• Kołobrzeg
• Roman Catholic dioceses and prelatures established in the 20th century

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