Its population as of the 2001 census was 8,000,550; the most populous region. The highest point is Walbury Hill in Berkshire at 297m/974 ft. In common usage the area referred to by South East may vary.
It is home to the Slough Trading Estate, the United Kingdom's first such estate, the largest in single ownership, and one of the largest in Europe overall. This, coupled with extensive transport links, makes it one of the most important business centres in the south east of England. It is also home to the largest campus of Thames Valley University.
Branson started a record shop in Oxford Street in London and, shortly after, launched the record label Virgin Records with Nik Powell. Branson had gained enough profits from his record store to purchase a country estate, in which he installed a recording studio. He leased out studio time to fledgling artists, including multi-instrumentalist Mike Oldfield.