Answer:
The Tasman Sea
Step-by-step explanation:
Tasman sea, a branch of Pacific Ocean separates “Australia and New Zealand” and the capital of Australia is Canberra. It is known as the Ditch by the people of “Australia and New Zealand”.
The area of the sea is 2,300,000 sq.km. The Australia's Capital, Canberra is located at "north-east of Melbourne" and "south west of Sydney" and is situated in New South Wales. Melbourne was chosen as Australia's capital city in 1908.