Belgium officially recognises three languages: Dutch, French and which other?

The correct answer is German. Belgium officially recognises three languages: Dutch, spoken primarily in the northern Flanders region; French, spoken primarily in the southern Wallonia region and in Brussels alongside Dutch; and German, spoken by a small community in the East Cantons near the German border, a region annexed by Belgium after the First World War under the Treaty of Versailles. This tripartite linguistic structure is enshrined in Belgium's federal constitution, which divides the country into three linguistic communities (Flemish, French, and German-speaking) alongside three separate regions (Flanders, Wallonia, and Brussels-Capital), making language policy central to Belgian federalism. The distractor 'Italian' is incorrect because although a significant Italian immigrant community exists in Belgium, particularly in Wallonia due to historical labour migration for mining, Italian holds no official status. 'Spanish' is wrong for similar reasons: Spanish is not an official or administrative language of Belgium despite some Spanish-speaking residents. 'Luxembourgish' is incorrect because it is the national language of neighbouring Luxembourg, not Belgium, and the two countries, despite proximity, maintain entirely separate official language regimes. A common exam confusion occurs when candidates assume Belgium has only two official languages (Dutch and French), overlooking the smaller German-speaking community entirely, since it comprises less than one percent of the population and receives comparatively little media attention. The revision takeaway: Belgium's three official languages are Dutch, French, and German, corresponding to its three linguistic communities under its federal structure — a fact distinct from Luxembourg's own official languages of Luxembourgish, French, and German.