Sweden (/ˈswiːdən/ SWEE-dən; Swedish: Sverige [ˈsværjɛ]), officially the Kingdom of Sweden (Swedish:  Konungariket Sverige ), is a Scandinavian country in Northern Europe. Sweden borders Norway and Finland, and is connected to Denmark by a bridge-tunnel across the Öresund. At 450,295 square kilometres (173,860 sq mi), Sweden is the third-largest country in the European Union by area, with a total population of about 9.7 million. Sweden has a low population density of 21 inhabitants per square kilometre (54/sq mi), with the population mostly concentrated in the southern half of the country. About 85% of the population lives in urban areas. Southern Sweden is predominantly agricultural, while the north is heavily forested.