The Grand Duchy of Luxembourg, referred to as Luxembourg for short, is located in the northwest of Europe, and its neighboring countries are France, Germany and Belgium. It is a landlocked country and the only remaining grand duchy in the European continent today, with Luxembourg as its capital. Because of its narrow territory and numerous castles, it is also called "pocket kingdom" and "country of thousands of castles".

Luxembourg is a highly developed capitalist country and the richest country in the world. As one of the founding members of the European Union and NATO, it has a number of EU subsidiaries, such as the European Court of Justice, the European Court of Audit, and the European Investment Bank, and is called the "third capital" of the EU after Brussels and Strasbourg.

Luxembourg is relatively poor in natural resources. The forest area is nearly 90,000 hectares, accounting for about 1/3 of the national territory. Luxembourg is rich in iron ore resources, mainly distributed in the "red soil area" in the south of Guterres Plain, with high iron content and reddish brown soil, so it is called "the country of red soil". 20 10 has proven iron ore reserves of 270 million tons, which is the most important mineral resource in Luxembourg.