The mountain region of the Andes is located in South America, spanning several countries including Argentina, Chile, Peru, and Bolivia. This extensive mountain range is recognized as the longest in the world and features diverse ecosystems, from tropical rainforests to icy peaks. The Andes are rich in cultural heritage, home to indigenous populations, and historical sites such as the Inca Trail and Machu Picchu. Additionally, the Andes significantly influence the climate and natural resources of the surrounding regions, playing a crucial role in South America's geography.