is a city in Berrien and Cass counties in the U.S. state of Michigan, near South Bend, Indiana. The population was 12,204 at the 2000 census. It is the greater populated of two principal cities of and included in the Niles-Benton Harbor, Michigan Metropolitan Statistical Area.
Located primarily in Berrien County, Niles lies on the banks of the St. Joseph River, at the site of the French Fort St. Joseph, first established in 1691. After 1761, it was held by the British and was captured on May 25, 1763, by Native Americans during Pontiac's Rebellion. The British retook the fort but it was not regarrisoned and served as a trading post. During the American Revolutionary War, the fort was held for a short time by a Spanish force. The presence of these three European powers in the area, as well as the United States, has earned Niles the nickname
The city is situated on the St. Joseph River and is located mostly within the boundaries of Niles Township. Glacial deposits of large boulders and smooth stones mingle with heavy sedimentary deposits, producing rolling hills and steep river banks. The soil is rich and fertile.
According to the United States Census Bureau, the city has a total area of 5.9 square miles (15.3 km²), of which, 5.8 square miles (15.0 km²) of it is land and 0.1 square miles (0.4 km²) of it (2.36%) is water.