Buffalo is a city in the U.S. state of New York. Buffalo is the second-biggest city in New York State.
There are about 278,000 people in the city of Buffalo. There are more than a million people in the surrounding area.
Buffalo is on the east end of Lake Erie near the Niagara River. It is close to Niagara Falls, and to Canada. Buffalo was a small village when the Erie Canal connected it to the Hudson River and New York City. It became a city.