Melbourne is in Australia, a country in the Pacific.
Melbourne is also home to Australia 's most extensive freeway network and has the world 's largest urban tram network.
Australia is a member of the United Nations , G20 , Commonwealth of Nations , ANZUS , Organisation for Economic Co-operation and Development -LRB- OECD -RRB- , World Trade Organization , Asia-Pacific Economic Cooperation , and the Pacific Islands Forum.
