In what country is the county of Berkshire and the Thames Valley located?
Cippenham Cippenham is a suburb of the unitary authority of Slough in the county of Berkshire, England. It was transferred to Berkshire from Buckinghamshire in 1974. Slough became a unitary authority on 1 April 1998, with the abolition of Berkshire County Council and the 1973–1998 Borough.
Thames Valley The Thames Valley is an informally-defined sub-region of South East England, centred on the River Thames west of London, with Oxford as a major centre. Its boundaries vary with context. The area is a major tourist destination and economic hub, includes part of the M4 corridor, and is sometimes referred to as England's Silicon Valley due to the concentration of high-technology companies. The area east of Reading is defined by Natural England as the Thames Valley National Character Area, while Thames Valley Police cover the counties of Berkshire, Buckinghamshire and Oxfordshire.