capital of Saudi Arabia, in the central part: pop. 1,800,000
See Riyadh in American Heritage Dictionary 4
The capital and largest city of Saudi Arabia, in the east-central part of the country east-northeast of Mecca. Situated in a desert oasis, it was a walled city until the oil boom of the 1950s led to the demolition of older structures to make way for commercial expansion. Population: 4,080,000.