Complex sentence: Two physical components comprise the Bathurst region, the Bathurst Basin and the Tablelands areas, they are drained by the Macquarie, Turon, Fish and Campbells Rivers to the north and Abercrombie and Isabella Rivers to the south.
Split into simpler sentences: Two physical components comprise the Bathurst region; the Bathurst Basin and the Tablelands areas. They are drained by the Macquarie, Turon, Fish and Campbells Rivers to the north and Abercrombie and Isabella Rivers to the south.