Italy is 5.3 times larger than Croatia.
Area: 56,594 km2 World Factbook
Population: 4,470,534 (July 2014) World Factbook
Croatia, officially the Republic of Croatia, is a unitary democratic parliamentary republic at the crossroads of Central Europe, Southeast Europe, and the Mediterranean. Its capital and largest city is Zagreb. The country is divided into 20 counties and the city of Zagreb. 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