Whitefriar Street Carmelite Church is a Roman Catholic church in Dublin, Ireland maintained by the Carmelite order. The church is noted for having the relics of Saint Valentine, which were donated to the church in the 19th century by Pope Gregory XVI from their previous location in the cemetery of St. Hippolytus in Rome.

Dublin is the capital and largest city of Ireland. On a bay at the mouth of the River Liffey, it is in the province of Leinster, bordered on the south by the Dublin Mountains, a part of the Wicklow Mountains range. At the 2022 census, the city council area had a population of 592,713, while Dublin City and its suburbs had a population of 1,263,219, and County Dublin had a population of 1,501,500.