The Tretyakov Gallery is a prominent art museum located in Moscow, Russia. Founded in 1856 by the merchant Pavel Tretyakov, it houses an extensive collection of Russian fine art, showcasing works from the 11th century to the early 20th century. The gallery is renowned for its masterpieces by famous artists such as Ivan Aivazovsky, Ilya Repin, and Kazimir Malevich. The museum consists of two main buildings: the original Tretyakov Gallery on Lavrushinsky Lane and the New Tretyakov Gallery on Krymsky Val. Together, they display over 180,000 works, making it one of the largest collections of Russian art in the world.