 It also borders Killester and Clontarf.The area contains Harmonstown DART station, located on the mentioned railway bridge, the Dublin 5 An Post sorting office and, at the northern edge, one of Artane's churches; Harmonstown is divided between Raheny and Artane parishes in the Roman Catholic Church, and between the Parish of Raheny and the Parish of Coolock in the Church of Ireland.The townland of Harmonstown is within the civil parish of Clontarf but did not form part of the short-lived Clontarf Urban District.