Cheap, vibrant nightlife, fast internet. Visa-friendly, growing tech sector, well-positioned for Balkan travel.
From Wikipedia
Belgrade is the capital and largest city of Serbia. It is located at the confluence of the Sava and Danube rivers and at the crossroads of the Pannonian Plain and the Balkan Peninsula. According to the 2022 census, the population of Belgrade city proper stands at 1,197,114, its contiguous urban area has 1,298,661 inhabitants, while the population of the city's administrative area totals 1,682,720 people. It is one of the major cities of Southeast Europe and the third-most populous city on the river Danube.