Luxembourg, officially the Grand Duchy of Luxembourg, is a founding member of the European Union. It is a parliamentary representative democracy with a constitutional monarch; its official languages are Luxembourgish, French, and German, and its official currency is the Euro. Luxembourg is well connected via high-speed rail to all of Western Europe, and via air to other global destinations. It has a highly developed services sector, especially in banking and related financial services. Alter Domus’ corporate headquarters is located in the capital city of Luxembourg.