Luxemburg (Luxemburg: Lëtzebuerg, French: Luxemburg, German: Luxemburg) is the Grand Duchy of Luxemburg, it is located in the northwest of Europe, surrounded by neighboring France, Germany and Belgium, it is a small inland country with an area equivalent to a county in China. It is also the only grand duchy in Europe, the capital city of Luxembourg. Due to its small territory and many ancient castles, it is also called "pocket kingdom" and "thousand Castle country".
Because of its varied topography and its strategic location in the German French thoroughfare, it has always been an important military fortress in Western Europe, and has the title of northern Gibraltar.
Luxemburg is a highly developed capitalist country, one of the founding members of the European Union and NATO, and also a highly developed industrial country, it is also the most important private banking center in the euro area and the world's second largest investment trust center after the United States. Finance, radio and television, and steel are the three pillar industries of its economy, the unemployment rate in this country is extremely low and the average life expectancy is 80 years.