One of the lofty and dedication buildings of Shahrisabz city is Kok-Gumbaz mosque "Blue Dome". The mosque was inherent 1435 on the establishments of a prior working with a comparative format. The building is situated on the same hub with Kulyala Mausoleum, along these lines it turned into the house of God mosque of the city. As per the engraving on the entryway, the mosque was raised by Ulugbek in the honor of his dad Shahrukh. Today, we can see focal domed structure with a distance across of 46 meters. It is the main what was saved from the blessed spot. The square corridor is finished with an excellent arch. There are engravings from the Koran in majolica outline on the external side of the vault. Once there were held the most essential religious administrations. There are additionally numerous renowned truisms. One of them says: "Influence and riches have a place with Allah. Allah is the main who claims mastery." On account of advantageous area and its glorious size, blue arch of Kok-Gumbaz Mosque can be seen from any part of the city. That is the reason, Kok Gumbaz is viewed as one of the major grand structures of the old Shahrisabz city.