The coat of arms of Luxembourg

Luxembourg

Luxembourg , officially the Grand Duchy of Luxembourg , is a landlocked country in western Europe, bordered by Belgium, France, and Germany. It has two principal regions: the Oesling in the North as part of the Ardennes massif, and the Gutland in the south...

has its origins in the Middle Ages

Middle Ages

The Middle Ages is a periodization of European history from the 5th century to the 15th century. The Middle Ages follows the fall of the Western Roman Empire in 476 and precedes the Early Modern Era. It is the middle period of a three-period division of Western history: Classic, Medieval and Modern...

, and was derived from that of the Duchy of Limburg

Duchy of Limburg

The Duchy of Limburg, situated in the Low Countries between the river Meuse and the city of Aachen, was a state of the Holy Roman Empire. Its territory is now divided between the Belgian provinces of Liège and Limburg , the Dutch province of Limburg , and a small part of North Rhine-Westphalia in...

, in modern day Belgium

Belgium

Belgium , officially the Kingdom of Belgium, is a federal state in Western Europe. It is a founding member of the European Union and hosts the EU's headquarters, and those of several other major international organisations such as NATO.Belgium is also a member of, or affiliated to, many...

 and the Netherlands

Netherlands

The Netherlands is a constituent country of the Kingdom of the Netherlands, located mainly in North-West Europe and with several islands in the Caribbean. Mainland Netherlands borders the North Sea to the north and west, Belgium to the south, and Germany to the east, and shares maritime borders...

. In heraldic language, these arms are described as: burely of 10 argent and azure, a lion rampant queue fourché in saltire gules armed, langued and crowned or.
There are greater, middle and lesser versions of the coat of arms of Luxembourg.The greater coat of arms has two reguardant

Charge (heraldry)

In heraldry, a charge is any emblem or device occupying the field of an escutcheon . This may be a geometric design or a symbolic representation of a person, animal, plant, object or other device...

 and crowned lions as supporters, the Dinastic Order and all surrounded by hermine mantling crowned with a heraldic royal crown (the crown used by the Grand Duke

Grand Duke of Luxembourg

The Grand Duke of Luxembourg is the sovereign monarch and head of state of Luxembourg. Luxembourg has been a grand duchy since 15 March 1815, when it was elevated from a duchy when placed in personal union with the United Kingdom of the Netherlands...

).