Belgium–Luxembourg relations German-speaking municipality of Burg-Reuland in the province of Liège. 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;
Southern Netherlands the remainder of the area became known as the Spanish Netherlands and remained under Spanish control. This region comprised modern Belgium, Luxembourg as well as part of northern France. The Spanish Netherlands originally consisted of: The capital, Brussels, was in Brabant. In the early 17th century, there was a flourishing court at Brussels, which was under the government of King Philip III's half-sister Archduchess Isabella and her husband, Archduke Albert of Austria. Among the artists who emerged from the court of the "Archdukes", as they were known, was Peter Paul Rubens. Under the Archdukes, the Spanish Netherlands actually had formal