Azerbaijan is 3.3% larger than Austria.
Area: 83,871 km2 World Factbook
Population: 8,223,062 (July 2014) World Factbook
Austria, officially the Republic of Austria, is a federal republic and a landlocked country of roughly 8.5 million people in Central Europe. Wikipedia
Area: 86,600 km2 World Factbook
Population: 9,686,210 (July 2014) World Factbook
Azerbaijan, officially the Republic of Azerbaijan, is the largest country in the Caucasus region located at the crossroads of Western Asia and Eastern Europe. It is bounded by the Caspian Sea to the east, Russia to the north, Georgia to the northwest, Armenia to the west and Iran to the south. Wikipedia