The Smart Araneta Coliseum, known as The Big Dome, is an indoor multi-purpose sports arena that is part of the Araneta Center in the Cubao area of Quezon City, Philippines. It is one of the largest indoor arenas in Asia, and it is also 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 the Ōita Stadium in Japan with a dome measuring 274.0 meters.
The Smart Araneta Coliseum is mostly used for sports such as basketball. 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 boxing, cockfighting, local and international concerts, circuses, religious gatherings, beauty pageants and more.