The OC Fair & Event Center (OCFEC) is a 150-acre event venue in Costa Mesa, California. The site hosts over 150 events attracting 4.3 million visitors annually, and is home to the Orange County Fair, Centennial Farm, Costa Mesa Speedway, and Pacific Amphitheatre. The OCFEC is managed by the 32nd District Agricultural Association, a state special-purpose district in the Division of Fairs and Expositions of the California Department of Food and Agriculture formed in 1949.