The Kazan Kremlin, is one of the most famous tourist attractions in Kazan, and it is the only remaining Tatar castle in Russia, and includes sections dating back to the tenth century, in addition to its precious stones. It was built by Tsar Ivan and included in the World Heritage List. It has a grand and majestic exterior white building that contains many details, and is intended for tourists from all over the world, as it reflects the nobility and originality of Russia and its precious history.