Cairo is Egypt’s capital and largest city. Including Giza, located on the west bank of the Nile adjacent to Cairo, the population of metropolitan Cairo was 7.5 million in 2003. Cairo serves as the commercial, administrative, and tourist center of Egypt. Other major cities include Giza, Alexandria, and Port Said. Giza is the location of three of Egypt’s most famous pyramids. Alexandria is Egypt’s principal Mediterranean seaport. Port Said, located at the northern entrance to the Suez Canal, is the site of an important free trade zone and various shipping services.