- Belgium, Kingdom of Belgium, Belgique - a monarchy in northwestern Europe; headquarters for the European Union and for the North Atlantic Treaty Organization
--1 is a kind of European country, European nation
--1 is a part of Europe
--1 is a member of
--1 has parts: --1 has members: Belgian; Fleming; WalloonBenelux; European Union, EU, European Community, EC, European Economic Community, EEC, Common Market, Europe; North Atlantic Treaty Organization, NATO