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Suffragan diocese Syros, Greece

Diocese of Syros

Syren(sis)

The Diocese of Syros (and Milos) is a Latin rite see based on the island of Syros in the Greek Cyclades, historically one of the principal Catholic centers of Greece. Bishop Petros Stefanou, who had led Syros with Milos and Santorini since 13 May 2014, resigned on 11-12 April 2025. The see is vacant, with Archbishop Sevastianos Rossolatos appointed apostolic administrator.

On the map

Esri
The address the register holds for St. George's Cathedral, Ano Syros, in Syros, Greece.

Every see on one map: browse the dioceses. Churches with recorded hours: find Mass times.

Established
1201
Catholics
6,831
Priests
10
Territory
633 km²

Parishes and churches

20 listed churches in our records. Open a parish for Mass times, confession, directions and sources where recorded.

This is our recorded coverage, not an official diocesan parish count. Confirm service times with the parish before travelling.

The bishop

Bishop
Petros Stefanou
Born
17 August 1963
Birthplace
Ermupoli

Explore the ministry of the bishop.

The cathedral

St. George's Cathedral, Ano Syros stands in Syros, the church that holds the cathedra from which this see takes its name.

On what a cathedral is, see the cathedral; every see church on earth is gathered at the cathedrals.

History

Two Greek cities, Syros and Milos, host the Diocese of Syros and Milos (Latin: Dioecesis Syrensis et Milensis). This Latin Church diocese of the Roman Catholic Church forms part of the ecclesiastical province of Naxos, Andros, Tinos and Mykonos.