Built in the 18th century to replace a older wooden church in the same place. Its cemetery is where René Descartes was first buried in 1650, before his remains were moved to France. There is now only a memroial to him inside the church.
Despite its purely Baroque appearance and its name from the 15th century Swedish king Gustav I, this church was built only in 1906.
The Klara or St. Klara Church is one of Sweden's highest church buildings. Begun in the 16th century, items such as the clock were added until 1965.