It is part of plans to update the region on President Trump’s plans for the Iran nuclear deal.
Trump is widely expected to withdraw from the agreement next month and re-impose sanctions on the country.
But Pompeo is also keen to regain a positive image of US diplomacy after the controversial sacking of his predecessor Rex Tillerson.
He was greeted on the tarmac by Saudi Foreign Minister Adel al-Jubeir and is expected to meet Crown Prince Mohammed bin Salman and King Salman during his stay.
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