Buffalo, also known as bison, are a large mammal that are native to North America. They are found primarily in the Great Plains region of the United States and Canada, with the largest populations found in the western United States and Canada.The American buffalo, also known as the American bison, can be found in several national parks and preserves in the western United States, including Yellowstone National Park, Badlands National Park, and Wind Cave National Park. The largest population of wild American buffalo can be found in Yellowstone National Park, where there are an estimated 4,000-5,000 individuals.In Canada, buffalo can be found primarily in the provinces of Alberta and Saskatchewan. The Elk Island National Park located in Alberta is home to one of the largest bison populations in the country. The bison herd at Elk Island is considered to be the most important herd for bison conservation in the world.In addition to being found in national parks and preserves, buffalo can also be found on private ranches and on tribal lands. Many private ranches in the western United States and Canada raise buffalo for meat, hide, and other products. And several tribes in the United States and Canada also maintain buffalo herds on their lands as a way to reconnect with their cultural heritage and to promote conservation.Buffalo are also found in other parts of the world, such as Europe, Africa, and Asia. However, these populations are not native to these regions and were introduced by humans for commercial or conservation purposes. The European bison is a different subspecies of bison, which can be found in Poland and Belarus. African buffalo, which are also known as Cape buffaloes, can be found in several countries in sub-Saharan Africa. And the Asian water buffalo, which is also known as the swamp buffalo, can be found in several countries in Southeast Asia.In conclusion, buffalo are found primarily in the Great Plains region of the United States and Canada, with the largest populations found in the western United States and Canada. They can be found in national parks and preserves, on private ranches and on tribal lands. Buffalo are also found in other parts of the world, but these populations were introduced by humans for commercial or conservation purposes.