[1] Its county town is Aylesbury,[2] and it is surrounded by Northamptonshire to the north, Bedfordshire and Hertfordshire to the east, Surrey and Berkshire to the south, Greater London to the south-east and Oxfordshire to the west.
The local authority must have a legal control over the site, by owning or leasing it or having an agreement with the owner.
They can apply local bye-laws to manage and protect LNRs.
[8][a] Fifteen are in the Buckinghamshire Council area, and one is in the City of Milton Keynes.
[13] The smallest site is the 0.5 hectare Coombs Quarry, which has geological interest due to a Jurassic layer, and Romano-British archaeology.