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
Sutton, Dublin Sutton, Dublin Sutton ( – Fintan's cell or church) is a residential suburb on the Northside of Dublin, Ireland. It occupies the tombolo which links Howth Head to the mainland, some of the lower slopes of Howth Hill, and a little of the adjacent coasts. The area lies within the jurisdiction of Fingal County Council. There is a small commercial core at the Sutton Cross road intersection. Sutton lies in the ancient Barony of Coolock, within the historic County Dublin. Historically Sutton lay entirely on the Howth peninsula, from Sutton Cross up to Claremont road and the Martello Tower at