This building is the swedish parliament and it’s located on Helgeandsholmen in Stockholm. It was built between 1897 to 1905 and the architect was Aron Johansson. The swedish parliament replaced the old parliament building who was located at Riddarholmen.
In Sweden we have democracy and the leading parliament is Moderaterna and the current leader of that parliament is Fredrik Reinfeldt. The swedish parliament does they make decisions about the laws in Sweden.