Tasmania (nicknamed Tassie) is an island state of Australia. It is located 240 km (150 mi) to the south of the Australian mainland, separated by Bass Strait. The state encompasses the main island of Tasmania, the 26th-largest island in the world, and the surrounding 334 islands. Tasmania's area is 68,401 sq km (26,410 sq mi), of which the main island covers 64,519 sq km (24,911 sq mi).

Victoria is a federated state in southeastern Australia. It is the second-smallest state with a land area of 237,659 km2 (91,761 sq mi), making it the most densely populated state in Australia (26.56 per km2). Victoria is bordered with New South Wales to the north and South Australia to the west, and is bounded by the Bass Strait (which separates it from the island state of Tasmania) to the south, the Great Australian Bight portion of the Southern Ocean to the southwest, and the Tasman Sea (a marginal sea of the South Pacific Ocean) to the southeast.