Seven Hills is a suburb in the Greater Western Sydney region of Sydney, in the state of New South Wales, Australia, located 33 kilometres North West of the Sydney central business district. Seven Hills is within the local government areas of the City of Parramatta and Blacktown City councils.

Bella Vista is located 33 kilometres north-west of the Sydney central business district and is part of The Hills Shire. It is a suburb in the Hills District of Greater Western Sydney and is in the state of New South Wales, Australia. Bella Vista's Norwest Business Park is home to several Fortune 500 companies, a number of shopping centres, high-rise buildings, and industrial and recreational spaces.