The definition of Denmark in the dictionary is a kingdom in N Europe, between the Baltic and the North Sea: consists of the mainland of Jutland and about 100 inhabited islands ; extended its territory throughout the Middle Ages, ruling Sweden until 1523 and Norway until 1814, and incorporating Greenland as a province from 1953 to 1979; joined the Common Market in 1973; an important exporter of dairy produce. Language: Danish. Religion: Christian, Lutheran majority. Currency: krone. Capital: Copenhagen. Pop: 5 556 452. Area: 43 031 sq km Danish name: Danmark related adjective Danish.