Eastern Province Emirate

Eastern Province is the largest province of Saudi Arabia, located in the east of the country on the Persian Gulf coast, and has land borders with Kuwait, Qatar, the United Arab Emirates, Oman, and Yemen. It has an area of 710,000 km² and a population of 3,360,157 (As of 2004 census). Its capital is Dammam, and its governor is HRH Prince Mohammed bin Fahd bin Abdul Aziz al-Saud.

https://www.moi.gov.sa/wps/portal/Home/emirates/easternprovince/