Hofuf City: The town of Al-Huff, sometimes written Hofuf, is located in eastern Saudi Arabia. It is located in the vast Al-Hasa oasis and on the Riyadh-Al-Dammm line. The Ottoman administration's headquarters from 1871, when the Ottoman Empire invaded eastern Arabia until it was regained in 1913 by the Wahhbs, a Muslim fundamentalist organization led by Ibn Sad. Following that, the town remained under their authority, eventually becoming part of the Kingdom of Saudi Arabia, which was established in 1932.
Al-Huff is now an agricultural market centre with rice- and date-processing, cement-making, and weaving enterprises, as well as royal horse-breeding facilities. Near Al-Huff, King Fayal University has agricultural, veterinary, education, and management faculty. It is the location of Ibrhm Pasha's early 19th-century domed mosque.
Khobar City: Khobar, also known as Al-Khubar in Arabic, is an oasis and port city in the Al-Sharqiyyah minaqah (provincial) and area of eastern Saudi Arabia, south of Dammam, on the Persian Gulf. The city is an industrial and commercial hub located in a valley along the main Jordanian highway. Khobar has great water wells and fertile land, resulting in high agricultural production. Dates, watermelon, squash, and other vegetables are among the crops.
Dammam City: Dammam, also known as Al-Dammam in Arabic, is a city in eastern Saudi Arabia. It is located northwest of Bahrain Island in the Persian Gulf, and it is part of a larger urban and industrial complex that includes Khobar, Qatif, and Dhahran. Dammam is a stunningly contemporary metropolis with extensive suburbs; most of the city dates from the 1940s. After massive oil deposits were discovered in 1938, the formerly tiny coastal village was transformed into a boomtown that is today a major seaport, a petroleum and natural gas centre, the economic heart of eastern Saudi Arabia, and the east end train to Riyadh.
Agriculture, particularly dairying, supports the city's economy in addition to the oil sector. On experimental farms, large herds of imported beef and dairy cattle are housed. In 1975, the city welcomed King Faisal University. The King Fahd International Airport first opened its doors in 1999.
Dhahran City: Dhahran, also known as Al-ahrn in Arabic, is a town in northeastern Saudi Arabia. It's in the Dammam oil field, just south of Dammam, the Persian Gulf port, and near the location of Saudi Arabia's first oil discovery in 1938. It presently serves as Saudi Aramco's administrative headquarters. In 1945, a large US Air Force station (now King Abdulaziz Air Base) was erected there, and the area eventually became home to several additional US military sites. During the Persian Gulf War, it was one of the primary marshalling and deployment locations for US forces, and a terrorist attack on a US army barracks there in 1996 killed more than a dozen soldiers.