Kings Island is a 364-acre (147 ha) amusement park located 24 miles (39 km) northeast of Cincinnati in Mason, Ohio, United States. Owned and operated by Cedar Fair, the park was built by Taft Broadcasting and opened in 1972. It was part of a larger effort to move and expand Coney Island, a popular resort destination along the banks of the Ohio River that was prone to frequent flooding. After more than $300 million in capital investments over the years, the park has grown to feature over a hundred attractions including fourteen roller coasters and a 33-acre (13 ha) water park.

Mason is a city in southwestern Warren County, Ohio, United States, approximately 22 miles (35 km) north of downtown Cincinnati. As of the 2020 census, Mason's population was 34,792. It is home to Kings Island amusement park and one of the largest tennis stadiums in the world, the Lindner Family Tennis Center, home of the Cincinnati Open, one of the world's top tennis tournaments for both men and women.