@walkinginsydney: St Mary’s Cathedral. Sydney, Australia🇦🇺. December 2023 #walkinginsydney #sydney #australia #sydneyaustralia #christmas #christmasatthecathedral #christmas2023 #sydneylife #stmaryscathedral The Cathedral Church and Minor Basilica of the Immaculate Mother of God, Help of Christians is the cathedral church of the Roman Catholic Archdiocese of Sydney and the seat of the Archbishop of Sydney. 14 - 25 December, St Mary’s Cathedral invites the community of Sydney to come together at St Mary’s Cathedral during Advent to prepare for the birth of our Lord Jesus Christ. Festivities begin at 5:30pm with: Christmas market stalls, food, fun activities for the kids and live entertainment.