Serbia is 7.4 times larger than Lebanon.
Area: 10,400 km2 World Factbook
Population: 5,882,562 (July 2014) World Factbook
Lebanon, officially the Lebanese Republic, is a country in Western Asia. It is bordered by Syria to the north and east and Israel to the south. Wikipedia
Area: 77,474 km2 World Factbook
Population: 7,209,764 (July 2014) World Factbook
Serbia, officially the Republic of Serbia, is a country located at the crossroads of Central and Southeast Europe, covering the southern part of the Pannonian Plain and the central Balkans. Wikipedia