The passage describes the ancient city of Alexandria, Egypt. It mentions the Pharos lighthouse, the island of Pharos, and a causeway connecting it to the mainland. The text details the city's layout, including its markets, streets, and residential quarters. It also highlights significant structures like the Panion, the Gymnasium, the Mausoleum where Alexander the Great's tomb was kept, the Library, and the Theater. The palaces of the Ptolemaic kings are mentioned, along with two obelisks, known as Cleopatra's Needles, one of which is still standing. The passage then discusses the ruins of the Panion, the Serapeum (a temple dedicated to Serapis), and the Column of Diocletian (also known as Pompey's Pillar). Other structures mentioned include the Caesareum, a temple of Neptune, and public places. The eastern part of the city housed gymnasiums, libraries, and tombs. To the west of the city, there were catacombs with tombs, later converted into churches. Finally, it refers to artificial caves on the seashore, known as Cleopatra's Baths, which were possibly used for washing.