Kremlin in Russia

'Moscow Kremlin') is a fortified complex in the center of Moscow founded by the Rurikids ruling dynasty. It is the best known of the kremlins (Russian citadels), and includes five palaces, four cathedrals, and the enclosing Kremlin Wall with Kremlin towers. As throughout its history, the Kremlin remains the heart of the city. It is the symbol of both Russian and (for a time) Soviet power and authority, and it has served as the official residence of the president of the Russian Federation since 1991.