The Abraj Al-Bait Towers, also known as "the Mecca Royal Hotel Clock Tower", is a building complex in Mecca, Saudi Arabia. The complex holds several world records, including the tallest hotel in the world, the tallest clock tower in the world, the world's largest clock face,and the world's largest building floor area. The complex's hotel tower became the second tallest building in the world in 2011, surpassed only by Dubai's Burj Khalifa. The building complex is meters away from the world's largest mosque and Islam's most sacred site, the Masjid al Haram. The developer and contractor of the complex is the Saudi Binladin Group, the Kingdom's largest construction company.