Kronhuset, formerly known as Giötheborgz Tyghuhs, is a redbrick building in Västra Nordstaden in Gothenburg. It was constructed during the years 1643–1654 in a Dutch style, and is Gothenburg's joint-oldest secular building along with the Torstenson Palace. The royal architect Simon de la Vallée is believed to have designed the building. The Kronhus was originally used as an arsenal for the city garrison and as a granary to store food reserves so that the city could survive a siege. On December 9, 1927, the ownership of Kronhuset passed from the Swedish state to Gothenburg Municipality. It has been a byggnadsminne, a listed building, since 24 October 1968.