the hungarian parliament building, also known as the parliament of budapest after its location, is the seat of the national assembly of hungary, a notable landmark of hungary, and a popular tourist destination in budapest. it is situated on the kossuth lajos square in the pest side of the city, on the eastern bank of the danube. it was designed by hungarian architect imre steindl in neo-gothic style and opened in 1902. it has been the largest building in hungary since its completion, and the third biggest parliament building in the world.