Bushey is a town in the Hertsmere borough of Hertfordshire in the East of England. It had a population of 25,328 in the 2011 census, rising to 28,416 in the 2021 census, an increase of 12.19%. This makes Bushey the second most populated town in Hertsmere. Bushey Heath is a large neighbourhood south east of Bushey on the boundary with the London Borough of Harrow reaching elevations of 165 metres (541 ft) above sea level.

Hertsmere is a local government district with borough status in Hertfordshire, England. Its council is based in Borehamwood. Other settlements in the borough include Bushey, Elstree, Radlett and Potters Bar. The borough contains several film studios, including Elstree Studios and the BBC Elstree Centre at Borehamwood. The borough borders Three Rivers, Watford, St Albans, and Welwyn Hatfield in Hertfordshire and the three north London boroughs of Harrow, Barnet and Enfield. Hertsmere is located mainly within the M25 Motorway.