The official center of the ancient city of Samarkand is Registan Square, where three madrassas have been built: Ulugbek, Sherdor and Tillakori

The official center of the ancient city of Samarkand is Registan Square, where three madrassas have been built: Ulugbek, Sherdor and Tillakori. Registan is home to ancient science and educational institutions and is one of the most prominent examples of urban planning in the East. The Timurids proudly said of him, "Whoever doubts our power, let him come and see the buildings we have built." In 2001, the three madrassas were inscribed on the UNESCO World Heritage List

• The madrasa was built in 1417-1420. Artistically, it was not inferior to the buildings built by Timur, and at the same time was far superior to them in terms of durability. Initially, the madrasa consisted of 50 rooms, where more than 100 students studied a year. According to historians, Ulugbek himself taught at a madrassa. The famous Persian poet Jpmiy lived and worked here. The building was 2 stories high, with four high domes on the corner classrooms and four towers in the corners. Occupying two-thirds of the main façade, the huge roof faces the square with a huge and deep spear-shaped arch.

• Bibihanim Madrasah is a madrasah built in Samarkand in the late 14th century by Amir Temur's eldest wife Bibikhanim (Mrs. Saroymulk) in honor of her mother (Klavikho). According to A. Vamberi, a scholar, there were about 1,000 students in the madrasa.

• Near Bibihanim madrasah, Tuman ogo khanaqah was built in a "double" style. Historical sources state that this khanaqah was also built before 1399. It is connected by a wide dome with a high dome. The walls are decorated with decorative flowers and ornaments. The room is very well lit through the wide windows on 4 sides — the terraces and doors.