The tallest tower in the complex stands as the tallest building in Saudi Arabia, and the tallest and largest hotel in the world, with a height of 601 metres (1,972 feet). 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, such as 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.