Copenhagen (IPA /ˈkoʊpənheɪɡən/ or /ˈkoʊpənhɑːɡən/; Danish: København [kʰøb̥m̩ˈhɑʊ̯ˀn]) is the capital of Denmark and its most populous city, with an urban population of 1,213,822 (as of 1 January 2012) and a metropolitan population of 1,947,944 (as of 1 October 2012).
Copenhagen is located on the eastern shore of the island of Zealand, partly on the island of Amager, and on a number of natural and artificial islets between the two. Copenhagen faces the Øresund to the east, the strait of water that separates Denmark from Sweden, and which connects the North Sea with the Baltic Sea.
Copenhagen became the capital of Denmark in the beginning of the 15th century, while being documented as such since the 11th century. During the 17th century, under the reign of Christian IV, it became a significant regional center.
Copenhagen in 1632[]
After the Ostend War, it took many months for all the sea mines to be removed