Gustav Adolfs torg is a public square in central Stockholm, Sweden named after King Gustav II Adolf.The square is home to the Royal Opera, Arvfurstens palats and the Ministry of Defence. South of the square are the Riksdag Building on Helgeandsholmen and the Royal Palace in Gamla stan.In the middle of the square there is a statue of Gustav II Adolf, which was erected in 1796 by the French sculptor Pierre l'Archevêque.