The Royal House – The tenement house of the Kings. Stary Rynek 54-59 . From 1636, there were successive rulers of Poland in the tenement house, inter alia, King Władysław IV and King Stanisław Leszczyński and foreign – the Swedish King – Carl Gustaf, Tsar Paul I or the Prussian King – Fryderyk Wielki. Currently, the Elbląg Hotel is located in the tenement house.