🇦🇺 Cheltenham is a suburb on the Upper North Shore of Sydney, in the state of New South Wales, Australia. Cheltenham is 18 km north-west of the Sydney central business district in the local government area of Hornsby Shire.
Cheltenham has a population of over 2,243 people. Cheltenham also forms part of the wider Sydney metropolitan area which has a population of over 5,367,206 people. Cheltenham is situated 23 km north-west of Sydney.