Surrounded by the Indian and Pacific oceans, Australia is separated from Asia by the Arafura and Timor seas, with the Coral Sea lying off the Queensland coast, and the Tasman Sea lying between Australia and New Zealand. The world's smallest continent and sixth largest country by total area, Australia—owing to its size and isolation—is often dubbed the "island continent" and is sometimes considered the world's largest island. Australia has  of coastline (excluding all offshore islands), and claims an extensive Exclusive Economic Zone of . This exclusive economic zone does not include the Australian Antarctic Territory.