Wahroonga's a suburb on the Upper North Shore of Sydney, in the state of New South Wales, Australia. Wahroonga's located 22 kilometres north-west of the Sydney central business district, in the local government area of Ku-ring-gai Council and Hornsby Shire. History Wahroonga's an Aboriginal word meaning our home. In the early days of British settlement in New South Wales, the main activity was cutting down the tall trees which grew there. Wahroonga was first settled in 1822 by Thomas Hyndes, a… (More on Wahroonga)