Singapore is a sovereign island city-state in maritime Southeast Asia. It lies off the southern tip of the Malay Peninsula, bordering the Straits of Malacca to the west, the Riau Islands to the south, and the South China Sea to the east. The country's territory is composed of one main island and 63 satellite islands and islets. It has the second greatest population density in the world.

Victoria is a federated state in southeastern Australia. It is the second-smallest state with a land area of 237,659 km2 (91,761 sq mi), making it the most densely populated state in Australia (26.56 per km2). Victoria is bordered with New South Wales to the north and South Australia to the west, and is bounded by the Bass Strait (which separates it from the island state of Tasmania) to the south, the Great Australian Bight portion of the Southern Ocean to the southwest, and the Tasman Sea (a marginal sea of the South Pacific Ocean) to the southeast.