Suffragan diocese Santorini, Thira, Greece
Diocese of Santorini, Thira
Sanctorien(sis)
Latin Church
The Diocese of Santorini (Thira) is a Latin rite see on the island of Santorini in the Greek Cyclades. The see has long been held in administration together with the Diocese of Syros; Bishop Petros Stefanou of Syros administered it until his resignation in April 2025. Since 11 April 2025 Archbishop Sevastianos Rossolatos has served as apostolic administrator.
On the map
Every see on one map: browse the dioceses. Churches with recorded hours: find Mass times.
- Established
- 1204
- Catholics
- 500
- Priests
- 1
- Territory
- 393 km²
Parishes and churches
1 listed church 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
- Apostolic Administrator of Santorini (Thira)
- Sevastianos Rossolatos
- Born
- 19 June 1944
- Birthplace
- Ermoupolis
Explore the ministry of the bishop.
The cathedral
Cathedral of St. John the Baptist, Fira stands in Santorini, Thira, 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.