Serbia is a country located in Southeast Europe, with a population of over 7 million people, 83% of whom are ethnic Serbs. It has a total area of 88,361 square kilometers and a population density of around 106 people per square kilometer. Belgrade is the capital and largest city of Serbia. Historically, Serbia first emerged as a kingdom in the 12th century and went on to experience periods of Ottoman rule as well as involvement in the world wars of the 20th century before gaining independence again in 2006. Today, Serbia has a parliamentary republic system of government and uses the Serbian dinar as its currency.