Peru is a country in western South America. It is bordered to the north by Ecuador and Colombia, to the east by Brazil, to the southeast by Bolivia, to the south by Chile, and to the west by the Pacific Ocean. Peru is an extremely biodiverse country with habitats ranging from the arid plains of the Pacific coastal region in the west to the Andes mountain peaks, extending from the north to the southeast of the country, to the tropical Amazon Basin rainforest in the east with the Amazon river.