Toledo (/təˈliːdoʊ/) is a city in and the county seat of Lucas County, Ohio, United States.[7] A major Midwestern United States port city, Toledo is the fourth-most-populous city in the U.S. state of Ohio, after Columbus, Cleveland, and Cincinnati, and according to the 2010 census, the 71st-largest city in the United States. With a population of 274,975, it is the principal city of the Toledo metropolitan area. It also serves as a major trade center for the Midwest; its port is the fifth busiest in the Great Lakes and 54th biggest in the United States.[8][9] The city was founded in 1833 on the west bank of the Maumee River, and originally incorporated as part of Monroe County, Michigan Territory. It was re-founded in 1837, after the conclusion of the Toledo War, when it was incorporated in Ohio.