Question: What is the name of this semi-mature tide-dominated drowned valley estuary from where Bungaree, an Aboriginal Australian, originated?
Sentence (from "Bungaree"): Bungaree, or Boongaree, (1775 – 24 November 1830) was an Aboriginal Australian from the Broken Bay area, who was known as an explorer, entertainer, and Aboriginal community leader.
Relevant evidence: Yes