The Smart Araneta Coliseum, known as The Big Dome, is an indoor multi-purpose sports arena that is serves as the centerpiece of Araneta City. It is one of the largest indoor arenas in Asia, and has one of the largest clear span domes in the world. The dome measures approximately 108.0 meters, making it the largest dome in Asia from its opening in 1960 until 2001 when it was surpassed by Japan's Oita Stadium.
It is mostly used for basketball events. It is a main venue of the Philippine Basketball Association and for the basketball games of the National Collegiate Athletic Association and the University Athletic Association of the Philippines. The Big Dome is also used for other events like boxing, cockfighting, local and international concerts, circuses, religious gatherings, beauty pageants, and more.