The largest country by area is Russia. Covering approximately 17.1 million square kilometers, Russia spans Eastern Europe and northern Asia. Its vast territory includes a diverse range of environments, from tundras and forests to mountains and plains. Due to its size, Russia shares borders with 14 countries, making it one of the most geopolitically significant nations in the world. This enormous expanse allows for significant natural resources, including oil, gas, and minerals, contributing to its economy and global influence.