Riyadh (Arabic: الرياض) is the capital and largest city of Saudi Arabia. It is also the capital of Riyadh Province, and belongs to the historical regions of Najd and Al-Yamama.
It is situated in the center of the Arabian Peninsula on a large plateau.
Riyadh has the largest all female university in the world, the Princess Nora bint Abdulrahman University.
The centre of the city, Al-Bathaa and Al-Dirah, is also its oldest part.
At its heart lies the 19th-century Al Masmak fort, which is one of the city's major attractions; to the west lies the Riyadh Museum of History and Archeology and the Murabba' Palace, an old residence of first Saudi king, Ibn Saud, now a museum.
The Qasr Al-Hukm, or Palace of Justice, is nearby. It is here that the Governor of Riyadh Province meets citizens, listens to their grievances and problems, and stays abreast of all aspects of the region's life.
The Al-Dira area also contains commercial markets and traditional buildings, such as the Al-Mu'eiqilia market and the city's Grand Mosque.
In 1999 a new central Museum was built in Riyadh at the eastern side of the King Abdul Aziz Historical Centre.
This National Museum of Saudi Arabia combined several collections and pieces that had up till then been scattered over several Institutions and places in Riyadh and the Kingdom.
The towns landmark is the Kingdom Tower (Arabic: برج المملكة) It is the second tallest skyscraper in Saudi Arabia, with a height of 302.3 m (992 ft). It's also the third tallest building with a hole in the world (after Shanghai World Financial Center and Tuntex Sky Tower).