Holmbury St Mary is a village in Surrey, England.
It is situated within the RH5 postcode district, which is within the Dorking post town.
The full list of postcode districts within the Dorking post town is as follows:
The Dorking post town is within the Redhill postcode area.
Administrative Ward: Tillingbourne
Administrative District: Guildford
Administrative County: Surrey
Country: England
UK Parliament: Mole Valley
NHS Local Health Authority: South East Coast
NHS Region: Southern