The “continent” of Australia/Oceania is a somewhat artifical construct, designed to link together the continental landmass of Australia with the huge number of widely scattered islands across the Pacific Ocean.
Area: 8 600 000 km2 (3 300 000 mi2)
Population: 35 million
Highest Point: Puncak Jaya (Carstensz Pyramid 4884 m/16 023 ft), Papua Province, Indonesia
Largest Lake: Lake Eyre, Australia (if there is some water)
Longest River: Murray-Darling river system 3750 km (2300 mi)