Oslo is the capital of Norway and the country’s largest city. The city is located in the eastern part of the country and is surrounded by forest and mountains. Oslo has a population of about 650,000 and a metropolitan population of about 1.5 million. The city is home to the University of Oslo and the Nobel Peace Prize is awarded in Oslo each year. Oslo is a very green city with a large number of parks and green spaces. The city has a number of interesting tourist attractions, including the Royal Palace, the National Gallery, the Vigeland Sculpture Park and the Viking Ship Museum. Oslo is also a very expensive city and one of the most expensive cities in the world.