Immaculate Conception Cathedral, Thessaloniki

Immaculate Conception Cathedral
Cathedral of the Immaculate Conception
Καθεδρικός Ναός της Αμιάντου Συλλήψεως της Θεοτόκου
The cathedral in 2010
Location of the cathedral in Greece
Immaculate Conception Cathedral
40°38′14″N 22°56′18″E / 40.6372°N 22.9383°E / 40.6372; 22.9383
LocationThessaloniki, Central Macedonia
CountryGreece
DenominationRoman Catholic
ChurchmanshipLatin Rite
History
Status
DedicationImmaculate Conception
Consecrated3 May 1900
Associated peopleFrederick Charnaud
(funder, 1900)
Architecture
Functional statusActive
ArchitectVitaliano Poselli (1900)
Architectural typeBasilica
StyleItalianate
Completed
  • 1743 (original structure)
  • 1900 (current structure)
Demolished1839 (fire)
Administration
DioceseApostolic Vicariate of Thessaloniki
Clergy
Bishopsede vacante

The Immaculate Conception Cathedral, officially the Cathedral of the Immaculate Conception (Greek: Καθεδρικός Ναός της Αμιάντου Συλλήψεως της Θεοτόκου), is a Catholic cathedral located on Frangon street in the city of Thessaloniki, in Central Macedonia region of Greece. The church follows the Roman or Latin Rite and functions as the seat of the Apostolic Vicariate of Thessaloniki that, as of December 2025, was sede vacante.