- island south of Victoria, Australia: 24,497 sq mi (63,447 sq km)
- state of Australia comprising this island & smaller nearby islands: 26,409 sq mi (68,400 sq km); cap. Hobart
An island state of southeast Australia consisting of the island of Tasmania along with several smaller islands and separated from the mainland by Bass Strait. Abel Tasman explored the island in 1642, naming it Van Diemen's Land. It was renamed in his honor in 1856. Tasmania joined Australia in 1901. Hobart is the capital.