Aldbury is a village and civil parish in the Dacorum District of Hertfordshire, England, near the borders of Bedfordshire and Buckinghamshire in the Bulbourne valley close to Ashridge Park. The nearest town is Tring; Tring railway station is located 1 mile east of Tring itself in the parish of Aldbury. Uphill in the narrow vale are the Bridgewater monument and the Ashridge estate.
The church is dedicated to St. John the Baptist. The parish contains a number of manors of historical interest. These are summarised in Wikipedia.