В западной части площади Gustav Adolfs torg расположен Arvfurstens palats (Дворец Наследника престола), в котором в наши дни находится Министерство Иностранных Дел.
Архитектор Erik Palmstedt (1741-1803), работавший в стиле неоклассицизма.
Designed by Erik Palmstedt, the palace was originally the private residence of Princess Sophia Albertina. It was built 1783-1794 Erik Palmstedt (16 December 1741, Stockholm — 12 June 1803) was a Swedish architect[1] working for the court circle of Gustav III, where he was in the forefront of Neoclassical style and at the heart of a social and intellectual circle that formed round him.
He was also a musician, who served as organist at Riddarholm Church for twenty-seven years.
