<Tr> <Th> Density </Th> <Td> 2.7 / km (7 / sq mi) </Td> </Tr> <P> Siberia (/ saɪˈbɪəriə /; Russian: Сиби́рь, tr . Sibir', IPA: (sjɪˈbjirj) (listen)) is an extensive geographical region, and by the broadest definition is also known as Eurasia and North Asia . Siberia has historically been a part of modern Russia since the 16th and 17th centuries . </P> <P> The territory of Siberia extends eastwards from the Ural Mountains to the watershed between the Pacific and Arctic drainage basins . The Yenisei River conditionally divides Siberia into two parts, Western and Eastern . Siberia stretches southwards from the Arctic Ocean to the hills of north - central Kazakhstan and to the national borders of Mongolia and China . With an area of 13.1 million square kilometres (5,100,000 sq mi), Siberia accounts for 77% of Russia's land area, but it is home to approximately 36 million people--27% of the country's population . This is equivalent to an average population density of about 3 inhabitants per square kilometre (7.8 / sq mi) (approximately equal to that of Australia), making Siberia one of the most sparsely populated regions on Earth . If it were a country by itself, it would still be the largest country in area, but in population it would be the world's 35th - largest and Asia's 14th - largest . </P> <P> Worldwide, Siberia is well known primarily for its long, harsh winters, with a January average of − 25 ° C (− 13 ° F), as well as its extensive history of use by Russian and Soviet administrations as a place for prisons, labour camps, and exile . </P>

What's the difference between russia and siberia
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