Illawong is a suburb in southern Sydney, in the
state of New South Wales, Australia. Illawong is
located 27 kilometres south-west of the Sydney
Central Business District, in the local government
area of the Sutherland Shire in the area commonly
called Menai. The post code is 2234, which is
also assigned to the contiguous suburbs of Menai,
Bangor and Alfords Point.

Illawong sits between the southern shore of the
Georges River and the northern shore of the
Woronora River. Illawong consists mainly of
residential homes, a nursing home, a primary
school and a small shopping centre.