Dammam (الدمام,ad-Dammām) is the largest city in the Eastern Province of Saudi Arabia, and the 3rd largest city in the kingdom after Riyadh and Jeddah.
Khobar (Al-Khobar, Al-Khubar) is a city in the Eastern Province of Saudi Arabia.
Manama (Arabic: المنامة, transliteration: al-Manāma) is the capital and largest city of Bahrain with an approximate population of 157,000 people, roughly a quarter of the country's population.
Muharraq is a metropolitan area in Bahrain, an island connected to the northeast of the capital of Manama.
Jubail (الجبيل , Al Jubayl) is a city in the Eastern Province of Saudi Arabia, on the Persian Gulf coast.
Al Ruwais, also spelt Ar Ru'ays, is the northernmost city of the Qatar peninsula. With a population of just under 4,000 people, it is little more than a sleepy fishing village, the seaside teeming with local dhow boats.
Dukhan is an industrial city in the western reaches of Qatar. Dukhan was founded when oil was first discovered in the region, and its purpose has not changed since.
Al Shahaniyah (alternatively Al Sheehaniya) is a town in central Qatar, out to the west of Doha, in the Al Rayyan municipality.
Perched on the eastern coast of the Qatari peninsula, Al-Khor (alternatively, Al Khawr; Arabic: الخور) is a major settlement just north of Doha. The city is far older than Doha, but much smaller (the population is roughly 31,000).
Umm Salal Muhammad is a town in Qatar, located in the Umm Salal municipality, about 15 km north of Doha. An easy and pleasant morning or afternoon trip out of Doha, it is a short drive from the northern outskirts of Doha on the North Road to Al-Ruweis.