Flaunden is a village in Hertfordshire, England.
It is situated within the HP3 postcode district, which is within the Hemel Hempstead post town.
The full list of postcode districts within the Hemel Hempstead post town is as follows:
The Hemel Hempstead post town is within the Hemel Hempstead postcode area.
Administrative Ward: Bovingdon, Flaunden and Chipperfield
Administrative District: Dacorum
Administrative County: Hertfordshire
Country: England
UK Parliament: South West Hertfordshire
NHS Local Health Authority: East of England
NHS Region: North, Midlands and the East