Imam turki Bin Abdullah Grand Mosque

Imam Turki bin Abdullah Mosque, also known as the Grand Mosque of Riyadh or simply the Grand Mosque, is a congregational mosque in the ad-Dirah neighborhood of Riyadh, Saudi Arabia, located adjacent to Qasr al-Hukm while it overlooks the Deera Square. It was established during the reign of Turki bin Abdullah bin Muhammad al-Saud, the founder and Imam of the Second Saudi State and was later named after him. Seating 17,000 worshippers and measuring 16,800 m2, it is one of the largest mosques in Saudi Arabia.

The exterior and upper portion of the interior is primarily brown Arriyadh Limestone which appears golden when lit up at night. The lower portion of the interior is in white marble. The structure includes separate men's and women's libraries of 325-m2 each.

Source: Wikipedia