The Sheikh Zayed Mosque is a mosque in Abu Dhabi in the United Arab Emirates. It is named after Sheikh Zayed bin Sultan Al Nahyum, the founder and first presidnet of the United Arab Emirates. The mosque has been open since Eid al-Adha 2007, which fell during the month of December. The Sheikh Zayed Mosque is the largest mosque in the United Arab Emirates and the eighth largest mosque in the world.