Hofuf (also Hofuf, Hofof, Arabic الهفوف, DMG al-Hufūf) is a city in the east of Saudi Arabia in the province of al-Sharqiyah. With over 660,000 inhabitants, it is the urban center of al-Hasa oasis; the entire city region has more than 1 million inhabitants. Sometimes the name of the city and the oasis are used interchangeably, although the al-Hasa oasis also encompasses other towns, for example, immediately located close to al-Hofuf Mubarraz.