The Cathedral Church and Minor Basilica of the Immaculate Mother of God, Help of Christians, locally known as Saint Mary's Cathedral, is a Roman Catholic basilica and the seat of the Archdiocese of Sydney. The cathedral is dedicated to the Blessed Virgin Mary under the venerated title of “Our Lady, Help of Christians" and Patroness of Australia.
Location: Sydney, New South Wales
Country: Australia
Denomination: Roman Catholic
Functional status: Active
Architect(s): William Wardell (present building) · Augustus Welby Pugin (extensions to first building)