The capital of Sweden is Stockholm. It is the largest city in Sweden and the Nordic countries, situated on 14 islands where Lake Mälaren flows into the Baltic Sea. Stockholm is Sweden's political, cultural, media, and economic center, hosting the offices of the Swedish government, the official residences of the monarch and prime minister, and major institutions. The city is known for its historic architecture, museums, and vibrant urban life. Stockholm has been Sweden's capital since 1523 and is often referred to as the unofficial capital of Scandinavia. Its metropolitan area is home to approximately 2.5 million people. Stockholm also stands out as a global city and a major hub for innovation, business, and culture in Northern Europe.