Port Jackson, also called Sydney Harbour, is the natural harbour of Sydney, new South wales, Australia. The harbour is an inlet of the Tasman Sea (part of the South Pacific Ocean). Widely considered to be one of the world's fines harbours, it is the location of the Sydney Opera House and Sydney Harbour Bridge. The location of the first European settlement in Australia, Port Jackson has continued to play a key role in the history an development of Sydney.
Many recreational events are based on or around the harbour itself particularly the Sydney New Year's Eve celebrations and the starting point of the Sydney to Hobart yacht race.
The waterways of Port Jackson are managed by the NSW Roads and Maritime Service. Sydney Harbour National Park protects a number of islands and foreshore areas, swimming sport, bushwalking tracks and picnic areas.