Australia, officially the Commonwealth of Australia, is a sovereign country comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands. It is the largest country in Oceania and the world's sixth-largest country by total area. The population of 26 million is highly urbanised and heavily concentrated on the eastern seaboard.

Denmark, officially the Kingdom of Denmark, is a Nordic country in Northern Europe. Denmark consists of a peninsula, Jutland, and an archipelago of 443 named islands. Denmark lies southwest of Sweden and south of Norway, and is bordered to the south by Germany. The Kingdom of Denmark comprises of Denmark proper and the two autonomous territories in the North Atlantic Ocean - the Faroe Islands and Greenland. Denmark has a total area of 42,943 km2 (16,580 sq mi) as of 2020, and the total area including Greenland and the Faroe Islands is 2,210,579 km2 (853,509 sq mi).