 After exploring the surrounding area, he met with the elders of the indigenous Aboriginal group, the Wurundjeri of the Kulin nation alliance, and negotiated a transaction for 600,000 acres (2,400 km²; 940 mi²) - which later became known as "Batman's Treaty".The transaction - which is believed to have taken place on the bank of Merri Creek (near the modern day suburb of Northcote), consisted of an offering of