Phibsborough, also spelled Phibsboro, is a mixed commercial and residential neighbourhood in Dublin, Ireland. The Royal Canal crosses the district at Cross Guns Bridge. Formerly, a branch of the canal ran to the Broadstone basin, later the site of the Midland Great Western Railway Terminus and currently the headquarters of Bus Éireann. Mountjoy Prison is located in the district. Phibsborough is also a parish in the Fingal South West deanery of the Roman Catholic Archdiocese of Dublin. It is served by the Church of St Peter.LocationPhibsborough is located about 2 km north of the old city centre, in Dublin 7. It is bordered by Glasnevin to the north, Drumcondra to the east, Grangegorman to the west, and the King's Inns on Constitution Hill, to the south. The busy commercial centre of Phibsborough is located around the crossroads of the Phibsborough and North Circular Roads, commonly known as Doyle's Corner.