The Urban Area of Hamondsworth is located within the county of Greater London.
The Parish Church (a Grade II* listed building) is called St Mary the Virgin Harmondsworth and serves the parish of St Mary the Virgin Harmondsworth and the benefice of Harmondsworth St Mary the Virgin and belongs to the diocese of London.
Hamondsworth is situated in the London region of the UK and is governed by Hillingdon, council.
The Urban Area of Hamondsworth is in the Harrow and Hillingdon region of Outer London - West and North West within London.