The Kremlin is a fortified complex in Moscow, Russia, which serves as the official residence of the president of the Russian Federation. It is a symbol of Russian power and authority, dating back to the 14th century. The complex includes several cathedrals, palaces, and government buildings. The Kremlin has played a significant historical role in Russia, housing the offices of the tsars and serving as the center of Soviet power during the Soviet Union era. Today, it is a popular tourist attraction, featuring museums, art galleries, and stunning architectural landmarks.