冰岛是北大西洋的北欧岛屿国家, with a population of 360,390 and an area of 103,000 km2 , making it the most sparsely populated country in Europe. The capital and largest city is Reykjavík. Reykjavik and the surrounding areas in the southwest of the country are home to over two-thirds of the population. Iceland is volcanically and geologically active. The interior consists of a plateau characterised by sand and lava fields, mountains, and glaciers, and many glacial rivers flow to the sea through the lowlands.