Belgrade is the capital and largest city of Serbia, accounting for over 3% of the country's territory. With a population of 1.6 million people living in its 17 municipalities, Belgrade is the economic and cultural center of Serbia. The city consists of two distinct areas - the large, low-lying region north of the Sava and Danube Rivers that is part of the Pannonian Plain, and hilly terrain south of the rivers. Notable landmarks include Kalemegdan Fortress and St. Sava Temple.