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Dee Why

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Dee Why is a suburb of northern Sydney, in the state of New South Wales, Australia 18 kilometres north-east of the Sydney central business district. It is the administrative centre of the local government area of Warringah Council, and along with Brookvale is considered to be the main centre of the Northern Beaches region.HistoryNameThe origin of the name of neighbouring Long Reef is obvious, but the reasons for Dee Why's name remain unclear. The earliest reference to it is a pencil note in surveyor James Meehan's field book, "Wednesday, 27th Sept, 1815 Dy Beach - Marked a Honey Suckle Tree near the Beach". What it meant to him was not recorded, although various claims have been put forward, including:The letters DY were simply a marker that Meehan used to mark many other places on his map. The name came from the local Aboriginal language that Meehan used to name many of the locations that he surveyed. The name came from the derivative in calculus, dy/dx, in reference to the shape of the curve of the beach as seen on a map. From 1840 the name was recorded as one word, 'Deewhy', but was split in two during the 1950s. The term 'Dee Why' was also used to name 'Dee Why Heights' or Highlands, known as Narraweena since 1951, and 'Dee Why West', the name of which was changed to Cromer in 1969.
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