Founded in the 13th century it was one of the four Old Town parish churches. St Gall is a really old church but having had some rebuilding in the 17th and 18th century. It became a Carmelite monastery in 1627 until Jozef II abolished them. It was an important centre of the reform movement and Jan Hus and Jan of Nepomuk preached here. In the chapel, there is a tomb of the well-known Bohemian Baroque artist Karel Skreta.
Location: Kostel sv. Havla, Havelská, Prague 1 (Since the Middle Ages Prague’s best-known market has been held in Havelska Street).