Final answer:
Siberia is the vast, cold, dry region of eastern Russia. It has a cold continental climate and consists mainly of taiga forests and tundra landscapes.
Step-by-step explanation:
The vast, cold, dry region of eastern Russia is called Siberia. Stretching from the northern Ural Mountains to the Bering Strait, Siberia is larger than the entire United States but is home to only about 15 million people. It has a cold continental climate and consists mainly of taiga forests and tundra landscapes.