Serbia is located in the Balkan Peninsula with a population of 9 million. It has mountainous terrain in the south and lowlands in the north. Belgrade is the capital city and economic center located at the confluence of the Sava and Danube Rivers. The country has important highways like Corridor 10 connecting Western and Eastern Europe and waterways like the Danube. Serbia has national parks, thermal springs, and diverse ethnic groups living throughout its regions known for agriculture, plains, and hills.