Fortified palace of the Abbasid caliphs (south-west of the modern city of Karbala in Iraq). An outstanding monument of medieval architecture Iraq (now in ruins). Built in the 2 nd half of the VIII century. Balanced in terms of courtyards, iwans, square main hall, a mosque, surrounded by a wall with turrets and arched gateway to the axes. Buildings Ukhaydir (hewn limestone) survived to the third floor.