Peru is located in western South America and is divided into three geographical regions by the Andes Mountains. It has a population of over 29 million people and its official languages are Spanish and Quechua. Peru contains significant biodiversity with over 21,000 species of plants and animals. One of Peru's most famous landmarks is Machu Picchu, one of the New Seven Wonders of the World, which was built by the Incas in the 15th century.