What is the biggest sguare in Moscow?

The biggest square in Moscow is Red Square. Red Square is the largest and the most famous square in Russia. It is located in the center of Moscow, on the left Bank of the river, near the walls of the Moscow Kremlin.The reason why there was a large square near the Kremlin, was a strong fire. It happened during the reign of John III. In 1990, the complex of the Moscow Kremlin and Red square were included in the UNESCO world heritage list.