What to know before you go
You are moving to a tri-city, so choose by commute rather than by city name
CriticalDammam, Dhahran and Al Khobar sit on one continuous stretch of coast and function as a single metro area of about 2.2 million. Aramco's headquarters and KFUPM are in Dhahran, the port and the provincial government are in Dammam, and most of the restaurants, international schools and expat compounds are in Al Khobar. It is entirely normal to live in one and work in another with a twenty to thirty minute drive. Decide where your office actually is, then pick a district, rather than choosing 'Dammam' or 'Khobar' as if they were separate places to live.
This is a contractor economy, and that changes how you read an offer
CriticalRiyadh is head offices and government; the Eastern Province is operators, service companies and EPC contractors around Aramco, SABIC and the Jubail complex. A lot of hiring runs through contracting firms rather than the operator itself, and the difference between a direct hire and a contractor placement shows up in housing allowance, schooling support, rotation patterns and who actually holds your visa quota. Ask which entity will sponsor your Iqama and who pays the dependant levy before you compare two offers on salary alone.
Bahrain is forty minutes away and every single trip needs a permit
CriticalThe King Fahd Causeway runs from Al Khobar to Bahrain and the region treats it as a weekend habit. What newcomers get wrong is that leaving Saudi Arabia on an Iqama requires a valid exit and re-entry permit every time, obtained on Absher, and that unpaid traffic fines can block its issuance. A single-use permit is a false economy if you cross monthly — ask your employer to issue a multiple-entry one. And nothing bought in Bahrain that is illegal here may come back with you; customs at the causeway searches thoroughly and the consequences are criminal, not administrative.
Gulf humidity is a different problem from Riyadh's dry heat
ImportantCoastal Eastern Province summers combine high temperatures with sea humidity, which means the night gives you almost no relief and sweat does not evaporate. Add the shamal — the north wind that pushes dust down the Gulf for days at a time — and outdoor life effectively stops from roughly May to September. Budget for air conditioning running continuously, expect cars and windows to be permanently dusty, and treat the November-to-March window as the only season when the coast is genuinely pleasant.
There is effectively no public transport, and that is a budget line
ImportantThe Eastern Province has no metro and only a thin bus network. Saudi Railways runs a good intercity train from Dammam to Riyadh in a little over four hours, but within the metro area you drive or you use ride-hailing. Uber and Careem are cheap and reliable, and plenty of people live here for years without a car — but if you do, price it honestly at several rides a day rather than assuming you will walk anywhere. Nothing about this coastline is walkable in July.
The Eastern Province is the Kingdom's most religiously plural region
Good to knowQatif and Al-Ahsa are home to Saudi Arabia's largest Shia communities, alongside a Sunni majority across the rest of the province, and there is a long-established expatriate population from South Asia, the Philippines, Egypt and the West. Practically this means local observance, holidays and even food culture vary between districts within a half-hour drive. The newcomer error is to treat 'Saudi customs' as one uniform thing, and then to ask colleagues directly about sect — a conversation that is loaded here and is best left alone entirely.
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