Russian Sovereign Slavic Realm

Russian Sovereign Slavic Realm Russkoye Suverennyy Slavyanskoye Tsarstvo
Flag Coat of arms
Areas controlled by the Russian SSR (dark green)
Capital	Moscow (de jure) Novosibirsk (de facto)
Official languages	Russian
Demonym(s)	Russian
Government	Provisional government
• Tsar	Manduul Temüjin, Batu II
• Viceroy-Plenipotentiary	Nyam Temuulen
Legislature	Duma (de jure)
Currency	Mongol Sum (de facto)
Date format	dd-mm-yy
Driving side	left
Internet TLD	.ru.ml (de facto)

The Russian Sovereign Slavic Realm (Russian: Russkoye Suverennyy Slavyanskoye Tsarstvo), abbreviated as the Russian SSR and colloquially known as Mongol Siberia, is self-proclaimed state in Eurasia under de facto Mongol control. Formed in 2022 after the dissolution of the Russian Soviet Socialist Republic, the state lays claim to all of Russia, but controls only the Altai Krai, Irkutsk Oblast, Novosibirsk Oblast, Omsk Oblast, and Zabaykalsky Krai. Its claims are contested by the People's Republic of Russia and the Russian Republic. It is nominally a part of the Union of Sovereign Slavic Realms, a self-proclaimed Soviet successor state that does not control any territories other than those of the Russian SSR.

The Russian Sovereign Slavic Realm is a de jure independent state in a real union with the Mongol Uls, but is a de facto colony of the Mongol Uls, under a military administration. It is one of the three competing governments of Russia, formed after the 2022 death of Mikhael Gorbachev and the subsequent dissolution of the Soviet Union. It was briefly involved in an active war with the other two governments, until the three sides reached a ceasefire in 2023. Thus, its self-proclaimed territory borders the Mongol Uls, the Turkic Union, the People's Republic of Russia, the Russian Republic, and the independent, Mongol-aligned Republic of Khakassia.