In the 17th century the ruler of Samarkand, Yalangtush Bakhodur, ordered the construction of the Sher-Dor and Tillya-Kori madrasahs. The tiger mosaics on the face of each madrassa are interesting, in that they flout the ban in Islam of the depiction of living beings on religious buildings.
The Registan was the heart of the ancient city of Samarkand of the Timurid dynasty, now in Uzbekistan. The name Rēgistan means "Sandy place" or "desert" in Persian.
The Ulugbek Madrasa in Samarkand is a religious educational institution in Uzbekistan. It was built by Ulugh Beg during the Timurid dynasty at the Registan in the heart of the ancient city of Samarkand.