Dubai-in Arabic: دبي Dubayy-is one of the seven emirates that make up the United Arab Emirates -EAU-. It is located on the coast of the Persian Gulf, in the Arabian desert, and borders the south with the emirate of Abu Dhabi, with that of Sharjah in the northeast and, through the key of Hatta, with the Sultanate of Oman in the southeast and with the emirates of Ajman and Ras al-Khaimah. The salt water inlet of the Persian Gulf named Khawr Dubayy crosses the capital city in a northeast-southwest direction.7 8 Its surface area is 4113 km².2 The name "Dubai" may come from Arabic or Persian, 9 and it appeared for the first time in literature in 1095, cited by the geographer Abu Abdullah al-Bakri, and then by the Italian merchant Gaspero Balbi on his visit to the territory in 1587.10 11 The origin of the word could come from Daba - a derivative of Yadub - which means « thing that flows ", in reference to the body of water of Khawr Dubayy.12 Sucapital is the homonymous city.