Brussels (French: Bruxelles, pronounced [bʁysɛl], and sometimes incorrectly [bʁyksɛl] by non-Belgian speakers of French; Dutch: Brussel, pronounced [ˈbrɵsəɫ]; German: Brüssel, pronounced [brʏsəl]) is the capital of Belgium, of Flanders and, of the French Community of Belgium. Depending on the context, the word Brussels may mean the largest municipality of the Brussels-Capital Region officially called the City of Brussels (ca. 140,000 inhabitants), the Brussels-Capital Region (1,024,492 inhabitants as of 1 January 2006) or, the metropolitan area of Brussels (from 2,100,000 to more than 2,600,000 inhabitants). Brussels is considered the de facto capital of the European Union (EU), and hosts many of the its key institutions. NATO, the Western European Union and EUROCONTROL are also headquartered in the city.