The palace of the ruler of Khiva, Allakuli Khan - Tash Khovli - was built in the 19th century. Initially, it contained 163 rooms. The most richly decorated aivan served as a living room for the khan. Each aivan of the harem is a masterpiece of Khiva applied art. Their walls, ceilings, columns are covered with non-repetitive ornamental patterns. The majolica panels of the walls have a traditional blue-white-light-blue color, the ceilings are painted with red-brown paints. The windows are closed with copper openwork bars.