The Archdiocese of Dublin (Irish: Ard-Deoise Bhaile Átha Cliath) is a Roman Catholic archdiocese in eastern Ireland centred around the republic’s capital city – Dublin. The archdiocese is led by the Archbishop of Dublin who serves as pastor of the mother church St Mary’s Pro-Cathedral and Metropolitan of the Metropolitan Province of Dublin. It was formally recognised as a metropolitan province in 1152 by the Synod of Kells.