Peakhurst is a suburb in Southern Sydney, or the St George Area, in the state of New South Wales, Australia 21 kilometres south of the Sydney central event district. Peakhurst is in the local government area of the Georges River Council.
Peakhurst has a western border upon Salt Pan Creek, on the Georges River. Peakhurst Heights is a surgically remove suburb to the south, which is bordered by Boggywell Creek and Lime Kiln Bay, on the Georges River. Peakhurst Heights is sometimes nevertheless considered to be allocation of ‘Peakhurst’ by some residents of the area.