Gamla Stan is an old section of Stockholm, the capital of Sweden. Gamla Stan consists of three islands, Stadsholmen, Riddarholmen and Helgeandsholmen. The main buildings such as the National Assembly Building, the royal palace and the Cathedral are located here. Gamla Stan whose meaning is "Old Town" is known to be built first in 13th century. Thus, there are a lot of old buildings in Gamla Stan and they were built in 17th or 18th century. They have very long history. After crossing the bridge in front of Royal Swedish Opera theater, there is the National Assembly Building. This building is the entrance of Gamla Stan and connects the old town, Gamla Stan, and the new town. The royal palace is just after the entrance and there are a lot of buildings which make you feel like in middle ages. 