Chehel Sotoun pavilion located in the city of Qazvin, also known as Kolah Farangi mansion, is the only palace left from Shah Tahmasb Safavi’s royal palaces.
Located near Alborz and Tehran provinces, Qazvin province is mainly identified with Alamut Castle, Chehel Sotoun, and Caravanserai of Sa'd al-Saltaneh.