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The Australian Antarctic Territory (AAT) is a part of East Antarctica claimed by Australia as an external territory. It is administered by the Australian Antarctic Division, an agency of the federal Department of Climate Change, Energy, the Environment and Water. The territory's history dates to a claim on Enderby Land made by the United Kingdom in 1841, which was subsequently expanded and eventually transferred to Australia in 1933.

The Territory of Christmas Island is an Australian external territory in the Indian Ocean comprising the island of the same name. It is located approximately 350 kilometres (190 nautical miles) south of Java and Sumatra and about 1,550 km (840 nmi) north-west of the closest point on the Australian mainland. It has an area of 135 square kilometres (52 sq mi).[2] The territory derives its name from its discovery on Christmas Day 1643 by Captain William Mynors

The Cocos (Keeling) Islands (Cocos Islands Malay: Pulu Kokos [Keeling]), officially the Territory of Cocos (Keeling) Islands, Cocos Islands Malay: Pulu Kokos [Keeling]), are an Australian external territory in the Indian Ocean, comprising a small archipelago approximately midway between Australia and Sri Lanka and relatively close to the Indonesian island of Sumatra. The territory's dual name (official since the islands' incorporation into Australia in 1955) reflects that the islands have historically been known as either the Cocos Islands or the Keeling Islands

Norfolk Island is an external territory of Australia located in the Pacific Ocean between New Zealand and New Caledonia, 1,412 kilometres (877 mi) directly east of Australia's Evans Head and about 900 kilometres (560 mi) from Lord Howe Island. Together with the neighbouring Phillip Island and Nepean Island, the three islands collectively form the Territory of Norfolk Island.[11] At the 2021 census, it had 2,188 inhabitants living on a total area of about 35 km2 (14 sq mi). Its capital is Kingston.