The largest country by land area is Russia. Spanning over 17 million square kilometers (about 6.6 million square miles), Russia covers more than one-eighth of Earth's inhabited land area. It stretches across Eastern Europe and northern Asia, featuring a diverse range of landscapes, including tundra, taiga, mountains, and plains. Russia's vast territory encompasses a variety of climates, ranging from arctic in the north to subtropical in the south. The country's size contributes to its rich natural resources, cultural heritage, and demographic diversity, hosting numerous ethnic groups and languages.