The capital city of Sweden is Stockholm. It is the largest city in the country and serves as a cultural, political, and economic center. Founded in the 13th century, Stockholm is built on 14 islands connected by over 50 bridges, showcasing a unique blend of medieval architecture and modern design. The city is known for its historical significance, vibrant arts scene, and beautiful natural surroundings. Landmarks include the Royal Palace, the Vasa Museum, and Gamla Stan, the charming old town. Stockholm’s emphasis on sustainability and innovation has also earned it recognition as one of the world's most livable cities.