Vianden (luxembourgeois : Veianen) est une ville luxembourgeoise située dans le canton de Vianden et le district de Diekirch.
Luxembourg (i// LUKS-əm-burg), officially the Grand Duchy of Luxembourg (Luxembourgish: Groussherzogtum Lëtzebuerg, French: Grand-Duché de Luxembourg, German: Großherzogtum Luxemburg), is a landlocked country in Western Europe. It is bordered by Belgium to the west and north, Germany to the east, and France to the south. It comprises two principal regions: the Oesling in the north as part of the Ardennes massif, and the Gutland ("good country") in the south. Luxembourg has a population of 524,853 (as of October 2012) and an area of 2,586 square kilometres (998 sq mi), making it one of the smallest sovereign nations in Europe.