Horn Island is an island located in the Torres Strait, off the northern coast of Queensland, Australia. It is part of the Torres Strait Island Region and is home to the Indigenous community of the Torres Strait Islander people. However, Horn Island itself is not considered a city. It is a small island with a population of around 650 people, and it serves as a transportation hub for the surrounding islands in the Torres Strait. The closest city to Horn Island is Thursday Island, which is the administrative center of the Torres Strait Island Region.