Italy is 3.6 times 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: 301,340 km2 World Factbook
Population: 61,680,122 (July 2014) World Factbook
Italy, officially the Italian Republic, is a unitary parliamentary republic in Southern Europe. To the north, Italy borders France, Switzerland, Austria, and Slovenia, and is approximately delimited by the Alpine watershed, enclosing the Po Valley and the Venetian Plain. Wikipedia