Siberia Siberia is the russian part of North-Asia. The area is about 12.5 million km2 and about 40 million lives in the area. One of the most importent events in Siberia was the building of the Transsiberian railroad in 1892 and the opening in 1902. There are many natural ressources in the areas like iron, lead, coal, oil and gold. Siberian Kosaks: