Belgium Money is the currency of Belgium, which is the Euro. The crossword solutions for Belgium Money are SMURF (5 letters), YSER (4 letters), and OSTEND (6 letters). SMURF is an acronym for the Belgian Franc, which was the official currency of Belgium until 2002 when it was replaced by the Euro. YSER is a river in Belgium that forms part of the border between France and Belgium. OSTEND is a coastal city in Belgium and the largest city in the province of West Flanders.