Described as a garden of "rooms", Hidcote Manor Garden is in the village of Hidcote Bartrim near Chipping Campden, North Cotswolds (OS Grid Reference SP176428, see map by Streetmap.co.uk). In terms of other landmarks, its between Stratford-upon-Avon (to the North East) and Broadway Tower & Dover's Hill (to the South West).

Here I am, taking photos of the topiary garden...

Purple crocuses in the garden in spring:

One of the lovely old Cotswold Cottages in Hidcote Bartrim just outside the NT property, The Old Forge: