Suez ( ; ) is a seaport city (population ca. 497,000) in north-eastern egypt, located on the north coast of the gulf of suez (a branch of the red sea), near the southern terminus of the suez canal, having the same boundaries as suez governorate. it has three harbors, adabya, ain sokhna and port tawfiq, and extensive port facilities. together they form a metropolitan area. railway lines and highways connect the city with cairo, port said, and ismailia. suez has a petrochemical plant, and its oil refineries have pipelines carrying the finished product to cairo.