The Kingdom of Sweden is a monarchy in northern Europe. It is 1,016,688 sq km, and has a population of 17,690,080. Head of state is King Charles XIII Gustavus and head of government is prime minister Baron Fredrik Reinfeldt . Sweden borders Denmark (including Norway) and Russia, and the Baltic Sea and the seas Skagerakk and Kattegatt. The Kingdom's capital is Stockholm, which is also the largest city. Other large cities are Helsingfors, Copenhagen, Gothenburg, Malmö, Esbo, Tammerfors and Vanda. Other cities of cultural and/or economic interest are Uppsala, Åbo, Viborg, Lund, Strängnäs and Vasa.