Sweden is one of the largest country in Europe, with great diversity in its nature and climate. Its distinctive yellow and blue flag is one of the national emblems that reflect centuries of history between Sweden and its Nordic neighbours. The Kingdom of Sweden is a Scandinavian country in Northern Europe. By the 16th century Sweden had evolved into a strongly centralized nation, with Stockholm as its capital. During the 17th century the country was one of the great powers in Europe. Despite its small population and large area, Sweden is a technologically advanced country with good infrastructure, including an efficient transportation and communications system.