The Dammam metropolitan area, or Greater Dammam, is the largest metropolitan area in the Eastern Province of Saudi Arabia. It consists of "The Triplet Cities" of Dammam, Khobar, Dhahran, Qatif and their vicinities. It had a population of 2,742,800 as of the 2022 census. It is known for the arts, pearl culturing, entertainment and popular music and sports legacies. The area includes a variety of natural landscapes, parks, and beaches with a recreational coastline to the Persian Gulf. The Greater Dammam area is also known for being one of the cornerstones of the oil industry with the world's largest oil company and most valuable company, Saudi Aramco, being based in Dhahran, as a result of the first oil well being dug in the area.

The Eastern Province, also known as the Eastern Region, is the easternmost of the 13 provinces of Saudi Arabia. It is the nation's largest province by area and the third most populous after the Riyadh and Mecca provinces. In 2017, the population was 4,900,325. Of these, 3,140,362 were Saudi citizens and 1,759,963 were foreign nationals The province accounts for 15.05% of the entire population of Saudi Arabia and is named for its geographical location relative to the rest of the kingdom.