Dublin 15 Dublin 15 Dublin 15, also rendered as D15, is a postal district in the suburbs of Dublin in Fingal, Ireland. It is west of the GPO in Dublin city. Dublin 15 covers a large area, rising from the River Liffey to at the townland of "Cloghran" near the "Rosemount Business Park". The district is bordered by County Meath to the west and the north-west and by the "Ratoath Road" to the north-east. The land between the "Ratoath Road / Cappagh Road" and the M2 / N2 road lies in the "Dublin 11" postal district. The townland of Ashtown and the
Stepaside, Dublin Stepaside, Dublin Stepaside () is a village on the outskirts of Dublin located on its southside, located in Dún Laoghaire–Rathdown, Ireland. The area is situated 4 kilometres south of Dundrum. A suburb of Dublin, Stepaside lies on the R117 regional road to the south-east of the city, at the foot of Three Rock Mountain. The area is located just off Junction 14 of the M50 motorway. Neighbouring areas include Sandyford, Kilternan, Ballyogan, Leopardstown, Carrickmines and Glencullen. Stepaside village developed in the 18th and early 19th centuries when the adjacent medieval settlement of Kilgobbin was bypassed by a new stretch of