It includes the warm temperate coastal waters of eastern Australia.
It is a provincial level bioregion in the Integrated Marine and Coastal Regionalisation of Australia (IMCRA) system.
[3] The bioregion is influenced by the warm East Australian Current, which runs southwards from the tropics along the eastern coast of Australia.
[3] The province contains two meso-scale bioregions:[3][1] The biota includes a distinct group of characteristic species, some of which range north and south into the adjacent transitional bioregions.
It is the southern limit of some tropical species, and is the northeastern limit of a large group of southern temperate species which range as far as southwestern Australia.