Red Square is a historic square in the heart of Moscow, Russia, known for its iconic landmarks and historical significance. The square separates the Kremlin, the former royal citadel and now the official residence of the President of Russia, from the historic merchant quarter known as Kitai-gorod. Red Square has been the site of major political events, military parades, and public gatherings throughout Russian history. Key landmarks include the colorful domes of Saint Basil's Cathedral, the Lenin Mausoleum, and the State Historical Museum. The square is a UNESCO World Heritage site and a symbol of Russian history and culture.