The Luxembourg American Cultural Society and Center is a U.S. 501 (c) (3) not for profit corporation located in Belgium, WI. It is the only cultural and historical society in the United States which is formally organized and collaborates with a sovereign nation, the Grand Duchy of Luxembourg. Luxembourg is a member of the European Union. Luxembourg borders Belgium to the west and north, France to the south, and Germany to the east. Luxembourg has a population of approximately 600,000 people.