What do belgrade and budapest have in common?

Belgrade and Budapest both serve as the capital cities of Serbia and Hungary, respectively, and are located along the banks of significant rivers—Belgrade on the confluence of the Sava and Danube rivers, and Budapest along the Danube. Both cities have rich histories influenced by various cultures and empires, resulting in diverse architectural styles and vibrant cultural scenes. Additionally, they are popular travel destinations known for their nightlife, cuisine, and historical landmarks.