Crumlin is a Southside suburb of Dublin, Ireland. Formerly a rural area, it became heavily built up from the early 20th century onwards. Crumlin is the site of Ireland's largest children's hospital, Our Lady's Children's Hospital.

Palmerstown is a civil parish and suburb in western Dublin on the banks of the River Liffey. It forms part of the South Dublin local authority and the Dublin Mid-West parliamentary constituency. The area is bordered to the north by the River Liffey and the Strawberry Beds, to the west by Lucan, to the south-west by Clondalkin, to the south by Ballyfermot and to the east by the village of Chapelizod. Palmerstown village is situated near the Liffey Valley Shopping Centre. The area is situated near the major junction of the M50 motorway and the N4. It lies approximately 7 km west of O'Connell Street in Dublin city centre. The Old Lucan Road, once the main route from the city to the west, passes through the centre of Palmerstown village.