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Why is Brussels often called the capital of Europe?

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Brussels is frequently referred to as the "capital of Europe" primarily because it serves as the central seat for the European Union (EU) and its major institutions.12

Following World War II, the city became increasingly international, notably with the establishment of the headquarters for the European Communities—the predecessors to the EU—in the city's LĂ©opold Quarter in 1958. Today, the city hosts several key EU bodies, including:1

Additionally, the presence of the NATO headquarters, which moved to the city in 1967, further solidified Brussels' status as a significant center for international governance and business. This concentration of political and administrative power has led to its recognition as a global city and the symbolic capital of the "new Europe".12