Denmark, the main constituent country of the Nordic countries and the sovereign state of the Kingdom of Denmark, is a parliamentary democracy under a constitutional monarchy The capital is Copenhagen, and the Faroe Islands and Greenland, the two constituent countries of the Kingdom of Denmark, form the Kingdom of Denmark. It is the northernmost country in the world. Because Denmark, Norway, and Sweden share similar languages, cultures and history, they are collectively referred to as the Kingdom of Denmark. A Scandinavian country. Denmark is a member of the European Union, with a highly developed economy and a typical welfare state with a very small gap between the rich and the poor. It is a highly developed country in the world. Denmark is also one of the founding members of the North Atlantic Treaty Organization. Danish government system It is a parliamentary democracy under a constitutional monarchy. The current monarch is Queen Margaret II. The central government has considerable power and is responsible for part of the affairs of the Faroe Islands and Greenland.