These are some of the names of the Darug clans and the area in which they lived;
Bediagal - Georges River
Bidjigal - Castle Hill
Boolbainora - Wentworthville
Burraberongal - Richmond
Burramattagal - Parramatta
Cabrogal - Liverpool
Cannemegal (warmuli) - Prospect
Cattai - Windsor
Gomerrigal (tongara) South Creek, Kurrajong
Mulgoa- Penrith/ Mulgoa
Tugagal - Toongabbie
Wandeandegal- Warrawarry - Eastern Creek clan/ Blacktown.
The suffix (gal) was added to the place names to distinguish the male members of the clan which (galleon) was to denote the females.
The people of the Hawkesbury and Nepean rivers are archaeologically rich. Many sites containing silcrete stone tool manufacturing evidence exist.
The Cumberland plain has significant sites such as the emu and kangaroo ochre and charcoal drawings in the Warragamba area.
The Dreaming hero, Garangatch, the giant eel is commemorated in drawings along stone walls in rock shelters.
The Megalong Valley has rich tool sites and habitation sites. There are areas near rivers where axe grinding grooves can be found.
The open sites of scattered stone artifacts marking their campsites and tool sites were often not recognized by the explorers and later settlers.