The city is situated across 14 islands in the Baltic Sea, connected by 57 bridges. Skeppsholmen Island hosts the Museum of Modern Art, the Museum of Architecture, and the East Asia Museum, along with an annual jazz festival. The National Museum is located on Blasieholmen Island. On Kungliga Djurgarden Island, you'll discover the renowned ethnographic museum "Skansen," the Vasa Museum, showcasing a perfectly preserved 17th-century warship of the Swedish Navy, and the Junibacken Museum, where characters from Astrid Lindgren's fairy tales come to life. Nearby, two art galleries house extensive collections of 19th- and 20th-century Northern European paintings and sculptures. Gamla stan, the Old Town, boasts the Royal Palace as its main attraction, which remains the official residence of the Swedish monarch. You can witness the changing of the guard at its gates daily. Within the city's vicinity, there are three fascinating UNESCO World Heritage sites: Skogskyrkogarden cemetery, Birka Viking settlement, and Drottningholms Slott, the residence of the Swedish royal family.