Cheltenham is a suburb of Sydney, in the state of
New South Wales, Australia. Cheltenham is 21
kilometres north-west of the Sydney central
business district in the local government area of
Hornsby Shire. Cheltenham is considered to be
part of the Northern Suburbs.

This residential suburb has a distinctive English
atmosphere, with a number of 19th Century
mansions on tree-lined streets. Cheltenham
shares its postcode of 2119 with Beecroft and has
sometimes been viewed as simply part of that
suburb.