The MidFlorida Credit Union Amphitheatre is the largest concert-only facility in the Tampa Bay Area. It is an outdoor amphitheatre in Tampa, Florida. The venue is located on the Florida State Fairgrounds, adjacent to Interstate 4, in the eastern side of town. MidFlorida Credit Union Amphitheatre has a capacity of approximately 20,000 (9,900 reserved seats and 10,000 on the lawn). The amphitheater has played host to many music festivals. On the first Sunday of every December, it hosts 97X's Next Big Thing, an all day rock festival, mainly featuring alternative rock bands.