Kremlin walls on the Red square in Moscow, Russia.

Kremlin walls and Mausoleum on the Red Square in Moscow, Russia.

View on the walls of Kremlin in Moscow, Russia.

The Moscow Kremlin, sometimes referred to as simply The Kremlin, is a historic fortified complex at the heart of Moscow, overlooking the Moskva River (to the south), Saint Basil's Cathedral and Red Square (to the east) and the Alexander Garden (to the west). It is the best known of kremlins (Russian citadels) and includes four palaces, four cathedrals, and the enclosing Kremlin Wall with Kremlin towers.