The 그레이트 레이크스 are a group of five large freshwater lakes located in North America, primarily on the border between the United States and Canada. The lakes include 레이크 슈피리어, 레이크 미시간, 레이크 허런, 레이크 온타리오, and 레이크 이리. They are the largest group of freshwater lakes in the world by total area and play a crucial role in the region's ecology and economy. These lakes are vital for transportation, recreation, and drinking water for millions of people. They support diverse ecosystems and are home to various fish species, making them popular for fishing and boating. The 그레이트 레이크스 also face environmental challenges, including pollution and invasive species, which threaten their health and biodiversity.