The country with the largest land area in the Eastern Hemisphere is Russia. As of 2015, Russia is also the largest country in the world; its land area covers 10.61 million square miles.
The Eastern Hemisphere is calculated from an imaginary line known as the prime meridian. All countries to the east of the prime meridian are in the Eastern Hemisphere. This includes most of Africa and Europe, around half of Antarctica and all of Asia, Australia and Oceania.
The second largest land area in the Eastern hemisphere is China, which has a land area of 3.71 million square miles. The third largest is Australia, with a land area of 2.97 million square miles.