Considered to be the largest sand island in the world, Fraser Island belongs to what country?

Fraser Island (K'gari) is a heritage-listed island located along the south-eastern coast of the state of Queensland, Australia. It is approximately 250 kilometres (160 mi) north of the state capital - Brisbane. It is a locality within the Fraser Coast local government in the Wide Bay–Burnett region. Its length is about 120 kilometres (75 mi) and its width is approximately 24 kilometres (15 mi). It was inscribed as a World Heritage site in 1992.

The island is considered to be the largest sand island in the world at 1,840 km2. It is also Queensland's largest island, Australia's sixth largest island and the largest island on the East Coast of Australia.