The capital city of Serbia is Belgrade. This vibrant city lies at the confluence of the River Sava and the Danube, offering a rich historical and cultural backdrop. Belgrade combines a mix of architectural styles, with landmarks like the Belgrade Fortress, Church of Saint Sava, and numerous museums reflecting its complex history. The city is known for its lively nightlife, diverse cuisine, and cultural events, making it a popular destination for travelers. Belgrade also functions as the political and economic center of Serbia, continuing to shape the country's identity and future.