The Eastern Province (Arabic: الشرقية ash-Sharqiyyah) is the largest province of Saudi Arabia by area. The province's capital is the city of Dammam, which hosts the majority of the region's population and its seat of government. The Eastern Province is the third most populous province in Saudi Arabia, after Makkah and Riyadh . Dammam is the province's most populous city, and the sixth most populous city in the country. The current governor of the Eastern Province is Prince Saud bin Nayef Al Saud.
The Eastern Province is home to most of Saudi Arabia's oil production. The region is also home of the City of Jubail, which hosts the Jubail Industrial City, a global hub for chemical industries. It is also a tourist area because of its location on the coast of the Persian Gulf, and proximity to the other Arab states of the Persian Gulf and the Riyadh Region.