Kosovo is 76 times larger than Sarajevo.
Area: 10,887 km2 World Factbook
Population: 1,859,203 (July 2014) World Factbook
Kosovo is a partially recognised state in Southeastern Europe, which declared independence from Serbia in February 2008 as the Republic of Kosovo. While Serbia recognises the Republic's governance of the territory, it still continues to claim it as its own Autonomous Province of Kosovo and Metohija. Wikipedia
Area: 144 km2 calculated
Sarajevo is the capital and largest city of Bosnia and Herzegovina, with an estimated population of 369,534. The Sarajevo metropolitan area, including Sarajevo, East Sarajevo and surrounding municipalities, is home to 608,354 inhabitants. Wikipedia