European Russia is the western and the historical part of the Russian Federation, which is located in Eastern Europe. It spans 39% of Europe's total land area,[1] and comprises 15% of Europe's total population. Although European Russia covers roughly 25% of Russia's total land area, it houses 78% of Russia's total population, with a land area of 3,972,400 square kilometres (1,533,800 sq mi), making Russia the largest country in Europe, and a population of over 110 million residents, making Russia the most populous European nation.