The Kremlin in Moscow is a historic fortified complex that serves as the official residence of the President of Russia. It is located at the heart of the city and is surrounded by walls and towers, including the iconic Spasskaya Tower with its famous clock. The Kremlin houses various government buildings, museums, and cathedrals, including the stunning Cathedral of the Assumption and the Cathedral of the Archangel. It is a symbol of Russian power and authority, as well as a popular tourist destination known for its rich history and impressive architecture.