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
Politics of the Netherlands fall of Napoleon Bonaparte. The House of Orange-Nassau were given the present day Netherlands and Belgium to govern as the United Kingdom of the Netherlands. Between 1815 and 1890, the King of the Netherlands was also Grand Duke of Luxembourg. The current monarch is Willem-Alexander. The heir apparent is the Princess of Orange, Catharina-Amalia. Constitutionally, the monarch is head of state and has a role in the formation of government and in the legislative process. He has to co-sign every law to make it valid. The monarch is also "ex officio" chair of the Council of State, which advises the