Geography of Denmark capital Copenhagen on Zealand; Århus, Aalborg and Esbjerg in Jutland; and Odense on Funen. Denmark experiences a temperate climate. This means that the winters are mild and windy and the summers are cool. The local terrain is generally flat with a few gently rolling plains. The territory of Denmark includes the island of Bornholm in the Baltic Sea and the rest of metropolitan Denmark, but excludes the Faroe Islands and Greenland. Its position gives Denmark complete control of the Danish Straits (Skagerrak and Kattegat) linking the Baltic and North Seas. The country's natural resources include petroleum, natural gas, fish, salt,
History of Denmark his rule. Once again the Swedish army arrived outside Copenhagen. However, this time the Danes did not panic or surrender. Instead, they decided to fight and prepared to defend Copenhagen. Frederick III of Denmark had stayed in his capital and now encouraged the citizens of Copenhagen to resist the Swedes, by saying he would die in his nest. Furthermore, this unprovoked declaration of war by Sweden finally triggered the alliance that Denmark–Norway had with the Netherlands. A powerful Dutch fleet was sent to Copenhagen with vital supplies and reinforcements, which saved the city from being captured during the Swedish attack.