The city of Djibouti is the capital and largest city of the Republic of Djibouti. Lying on a peninsula that divides the Gulf of Aden from the Gulf of Tadjoura, this city has a latitude and longitude of 11°36'N, 43°10'E. Djibouti has the same status as the country's five regions. The metropolitan territory borders Arta Region to the south and west, and the Gulf of Tadjourah/Gulf of Aden to the north. Djibouti is home to a population of around 400,000 people, its planned centre having been divided into the former European and African quarters. The Djibouti-Addis Ababa Railway runs from the city to Addis Ababa, while it is also home to the Djibouti-Ambouli International Airport. Northwest of the city centre lies the port, used for international trade, fishing and by ferries to Obock and Tadjoura.