Hasaitic is an Ancient North Arabian dialect attested in inscriptions in the Eastern Province of Saudi Arabia at Thaj, Hinna, Qatif, Ras Tanura, Abqaiq in the al-Hasa region, Ayn Jawan, Mileiha and at Uruk. It is written in the Monumental South Arabian script and dates from the 5th to 2nd centuries BC.