From the Wikipedia page [1] (there being more information on the Russian Wikipedia page [2]).

The State Archive of the Russian Federation (GARF) (Russian: Государственный архив Российской Федерации (ГАРФ)) is a large Russian state archive managed by Rosarkhiv (The Federal Archival Agency of Russia), which preserves official documents of the Russian Federation as well as many other sources. It was established in Moscow in 1992 and acquired collections of the Central State Archive of the October Revolution (Russian: Центральный государственный архив Октябрьской революции, высших органов государственной власти и органов государственного управления (ЦГАОР СССР)) (founded in 1923) and the Central State Archive of the Russian SFSR (Russian: Центральный государственный архив РСФСР (ЦГА РСФСР)) (founded in 1920).

The website is [3].

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