The Kremlin is a fortified complex located in the heart of Moscow, Russia. It serves as the official residence of the President of Russia and is a symbol of Russian political power. The complex includes several palaces, cathedrals, and the famous Kremlin Wall, which has historical significance and features several towers. Constructed in the 15th century, the Kremlin has been a central site for Russian governance for centuries. It is also a UNESCO World Heritage site, attracting millions of tourists each year. The architecture reflects various styles, showcasing the rich history and culture of Russia.