Dammam (Also Damman or Ad Dammām) is the capital of the Ash Sharqiyah province in Saudi Arabia.

Dammam is the largest city in the Eastern Province, Dammam Port and the new King Fahad International Airport are the largest on the Arabian Gulf. Its port for import-export traffic is second to Jeddah's port. The King Fahad Causeway (25 km long) south of Khobar, links the Saudi Arabia with the state of Bahrain Island.

It served by the King Fahd Dhahran Air Terminal, which is near Dhahran.