Diocese of

Sisak

Croatia

Continent: East Europe

Rite: Roman (Latin)

Type: Diocese Diocese

Name: Sisak (Italiano) / Siscia (latine) / Sescia (English) / 錫薩克 (正體中文) / Siscien(sis) (Latin)

Ecclesiastical Province: Zagreb

Neighbouring Dioceses: Gospić–Senj (↙), Zagreb (↖), Bjelovar–Križevci (↗), Banja Luka (↘)

Depends on: Dicastery for Bishops

Websites:

Celebrations

Patron Saint: Saint Quirinus of Sescia (June 4)

Cathedral Dedication Anniversary: June 27

Liturgical Calendar 📅

History

300: Established as Diocese of Sisak (Italiano) / Siscia (latine) / Sescia (English) / 錫薩克 (正體中文) / Siscien(sis) (Latin)
700: Suppressed
1093: Lost territory to establish Diocese of Zagreb
1999: Restored as Titular Episcopal See of Sisak (Italiano) / Siscia (latine) / Sescia (English) / 錫薩克 (正體中文) / Siscien(sis) (Latin)
2009.12.05: Restored as Diocese of Sisak (Italiano) / Siscia (latine) / Sescia (English) / 錫薩克 (正體中文) / Siscien(sis) (Latin) (from Metropolitan Archdiocese of Zagreb and became suffragan of Zagreb)

Present Prelates

Bishop (2009.12.05 – ...):

Bishop Vlado Košić (66)

Ordinaries

Bishops of Sisak (Roman Rite)

Bishop Vlado Košić (66)
(2009.12.05 – ...)

Bishop of Sisak (Croatia)

Ljubav svemu nada

Born:	1959.05.31 (Varaždin, Croatia)
Ordained Priest:	1985.06.30
Consecrated Bishop:	1999.02.06

Priest of Zagreb (Croatia) (1985.06.30 – 1998.12.29)

Titular Bishop of Ruspæ (1998.12.29 – 2009.12.05)

Auxiliary Bishop of Zagreb (Croatia) (1998.12.29 – 2009.12.05)

Bishop of Sisak (Croatia) (2009.12.05 – ...)

Bishop Vindemio
(579? – 590?)

Bishop of Sisak (Croatia) (579? – 590?)

Bishop Costanzo
(532? – ?)

Bishop of Sisak (Croatia) (532? – ?)

Bishop Giovanni
(530? – ?)

Bishop of Sisak (Croatia) (530? – ?)

Bishop Costanzo
(381? – ?)

Bishop of Sisak (Croatia) (381? – ?)

Bishop Marco
(343? – ?)

Bishop of Sisak (Croatia) (343? – ?)

Saint Bishop Kvirin Sisački (Quirinus of Sescia)
(300? – 309.06.04)

Died:	309.06.04 🩸 (Sambotel, Hungary)
Feast:	06.04

Bishop of Sisak (Croatia) (300? – 309.06.04)

Bishop. Martyr.

Former Titular Bishops

Titular Archbishop: Archbishop Nikola Eterović (75) (1999.05.22 – 2009.11.25)

Special Churches

Cathedral: Katedrala Uzvišenja sv. Križa, Sisak, Sisak-Moslavina
Minor Basilica: Bazilika sv. Kvirina, Sisak, Sisak-Moslavina
Jubilee Churches in the Extraordinary Jubilee of Mercy (2016)
Jubilee Churches in the Holy Year 2025

Churches by City (65)

Gospić–Senj (↙), Zagreb (↖), Bjelovar–Križevci (↗), Banja Luka (↘)

Statistics (2022.12.31)

Area: 5,500 km²

Population: 155,630 Catholics (86.6% of 179,800 total)

Pastoral Centres: 63 parishes

Personnel: 74 priests (59 diocesan, 15 religious), 2 deacons, 105 religious (15 brothers, 90 sisters), 6 seminarians

Pastoral Centres

Last updated on 2026.04.13

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