The capital city of Belgium is Brussels. As the administrative center of the European Union, Brussels plays a significant role in international politics and diplomacy. The city is known for its rich history, stunning architecture, and vibrant culture, featuring landmarks like the Grand Place and the Atomium. Brussels is a multilingual city, with French and Dutch being the primary languages spoken. Additionally, it is famous for its cuisine, including waffles, chocolates, and a variety of beers. Its status as a cosmopolitan hub makes it an essential location for conferences and exhibitions.