Grand Jamia Mosque (Urdu: گرینڈ جامع مسجد, romanized: graiṇḍ jāmi' masjid), is a cultural complex under construction in Bahria Town Karachi, Pakistan. When completed, the complex will include what would be Pakistan's largest and the world's third-largest mosque according to capacity. The mosque will be able to accommodate 800,000 worshippers at a time.