Tasmania (Australia) is 34% larger than Bosnia and Herz..
Area: 51,197 km2 World Factbook
Population: 3,871,643 (July 2014) World Factbook
Bosnia and Herzegovina, sometimes called Bosnia-Herzegovina, abbreviated BiH, and in short often known informally as Bosnia, is a country in Southeastern Europe located on the Balkan Peninsula. Its capital and largest city is Sarajevo. Wikipedia
Tasmania is an island state, part of the Commonwealth of Australia, located 240 kilometres to the south of the Australian continent, separated by Bass Strait. The state includes the island of Tasmania, the 26th largest island in the world, and the surrounding 334 islands. Wikipedia