Tasmania (/tæzˈmeɪniə/), abbreviated as Tas, is an island state of Australia. It is located 240 km to the south of the Australian mainland, separated from it by the Bass Strait. The state encompasses the main island of Tasmania, the 26th-largest island in the world, and the surrounding 1000 islands. The state had about 541,000 residents as of September 2020. The state capital and largest city is Hobart, with around 40 percent of the population living in the Greater Hobart area.