Woonona is a suburb north of Wollongong, New South Wales, Australia, south of Sydney. It is served by Woonona Station on the South Coast Line, and by the Princes Highway.

Princes Highway is a major road in Australia, extending from Sydney via Melbourne to Adelaide through the states of New South Wales, Victoria and South Australia. It has a length of 1,941 kilometres (1,206 mi) or 1,898 kilometres (1,179 mi) via the former alignments of the highway, although these routes are slower and connections to the bypassed sections of the original route are poor in many cases.