Danemark
In short
Denmark is a Nordic country located in Northern Europe, forming the mainland part of the Kingdom of Denmark. It sits south of Norway and Sweden, bordering Germany to the south.
In plain words
It is a small country made up of a large peninsula and hundreds of islands. It is part of a larger kingdom that also includes Greenland and the Faroe Islands.
A simple example
A person travelling from Germany to the Jutland peninsula would be entering mainland Denmark.
Why it matters
It is a key member of the Scandinavian region and plays a major role in Northern European politics and economy. It also serves as the central link between mainland Europe and the North Atlantic territories.
Easy to mix up
Do not confuse Denmark with Norway or Sweden, which are its neighbouring Scandinavian countries.