The Ohio History Center is a history museum and research center in Columbus, Ohio. It is the primary museum for Ohio's history, and is the headquarters, offices, and library of the Ohio History Connection. The building also houses Ohio's state archives, also managed by the Ohio History Connection. The museum is located at the Ohio State Fairgrounds, site of the Ohio State Fair, and a short distance north of downtown. The history center opened in 1970 as the Ohio Historical Center, moving the museum from its former site by the Ohio State University. The building was designed by Ireland & Associates in the Brutalist style. It was listed on the National Register of Historic Places along with the Ohio Village in 2023.

Columbus is the capital and most populous city of the U.S. state of Ohio. With a 2020 census population of 905,748, it is the 14th-most populous city in the U.S., the second-most populous city in the Midwest after Chicago, and the third-most populous U.S. state capital after Phoenix, Arizona and Austin, Texas. Columbus is the seat of government of Franklin County; it also extends into Delaware and Fairfield counties. It is the core city of the Columbus metropolitan area, which encompasses ten counties in central Ohio. It had a population of 2,138,926 in 2020, making it the largest metropolitan area entirely in Ohio and 32nd-largest metro area in the U.S.