Sweden is a country.
Sweden . At 450295 km2 , Sweden is the third-largest country in the European Union by area , with a total population of 10.0 million . The capital city is Stockholm , which is also the most populous city in the country . Sweden emerged as an independent and unified country during the Middle Ages . A unitary state is a state governed as a single power in which the central government is ultimately supreme and any administrative divisions ( sub-national units ) exercise only the powers that the central government chooses to delegate .