Dammam is the fourth-most populous city in Saudi Arabia after Riyadh, Jeddah, and Mecca. It is the capital of the Eastern Province, with a total population of 1,532,300 as of 2022. The judicial and administrative bodies of the province, in addition to the administrative offices of other minor governmental departments functioning within the province, are located in the city. The word itself is generally used to refer to the city, but may also refer to its eponymous governorate.
Dammam is known for being a major administrative center for the Saudi oil industry. Dammam constitutes the core of the Dammam metropolitan area, also known as the Greater Dammam area, which comprises the 'Triplet Cities' of Dammam, Dhahran,
Wikipedia https://en.wikipedia.org/wiki/Dammam
Coordinates 26°26'12.416" N 50°6'14.397" E