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
Greenhills, Dublin Greenhills, Dublin Greenhills () is a suburb of Dublin in Ireland. It lies between Kimmage, Tallaght, Templeogue, Terenure and Walkinstown, and includes the residential developments of Greenhills Estate, Greenpark, Limekiln Estate and Temple Manor. Greenhills is in the Dublin 12 postal area. The area was mostly farmland until expansion in the 1950s and 1960s led to the building of new housing estates. However, Greenhills, situated just below the esker upon which the Greenhills Road now runs, may have housed settlements as long ago as 1800 BC. An urn dating from that time, found in the late 1890s in the former