Suez is a seaport city in north-eastern Egypt, located on the north coast of the Gulf of Suez, near the southern terminus of the Suez Canal, having the same boundaries as Suez governorate. It has three harbours, Adabya, Ain Sukhna 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, in the flag of the governorate: the blue background refer to the sea, the gear refer to the fact that Suez an industrial governorate, and the flame refer to the petroleum firms in it.