Belgium–Luxembourg relations Belgium–Luxembourg relations Belgium–Luxembourg relations are the bilateral relations between the Kingdom of Belgium and Grand Duchy of Luxembourg. Both countries have a history of close cooperation, notably within the Belgium–Luxembourg Economic Union, Benelux and within the European Union. Belgium has an embassy in Luxembourg and Luxembourg has an embassy in Brussels. The Belgian ambassador to Luxembourg is Thomas Antoine. The Luxembourg ambassador to Belgium is Jean-Jacques Welfring. Belgium and Luxembourg share a land border. On the Belgian side of the border, nearly all of it is with the province of Luxembourg; a small part in the north is with the
Kingdom of the Netherlands state of the German Confederation. In 1830, Belgium seceded from the Kingdom, a step that was recognised by the Netherlands only in 1839. At that point, Luxembourg became a fully independent country in a personal union with the Netherlands. Luxembourg also lost more than half of its territory to Belgium. To compensate the German Confederation for that loss, the remainder of the Dutch province of Limburg received the same status that Luxembourg had enjoyed before, as a Dutch province that at the same time formed a Duchy of the German Confederation. That status was reversed when the German Confederation ceased