Narbonne, Occitan: Narbona, Latin: Narbo is a communeCanal of the Robine (canal de la Robine) at Narbonne, town located in the Aude department in France. The La Nouvelle branch is a 37.3-kilometre (23.2 mi) lateral branch of the Canal du Midi in Aude, south-central France which runs from the Canal du Midi through Narbonne and on to the Mediterranean. It is composed of three waterways: the first 5.1 kilometres (3.2 mi) is the Canal de Jonction from the Canal du Midi to the Aude, the second section is 800 metres (2,625 ft) of the Aude itself and the third is the 31.6 kilometres (19.6 mi) Canal de la Robine which enters the Mediterranean at Port-la-Nouvelle. The La Nouvelle branch is designated a UNESCO World Heritage Site as part of the Canal du Midi and is managed by the French navigation authority, Voies navigables de France. Narbonne, Occitan: Narbona, Latin: Narbo is a commune in southern France in the Languedoc-Roussillon region. It lies 849爇m from Paris in the Aude department, of which it is a sub-prefecture. Once a prosperous port, and a major city in Roman times, it is now located about 15爇m from the shores of the Mediterranean Sea. It is marginally the largest commune in Aude, although the prefecture is the slightly smaller commune of Carcassonne. in southern France in the Languedoc-Roussillon region. It lies 849爇m from Paris in the Aude department, of which it is a sub-prefecture. Once a prosperous port, and a major city in Roman times, it is now located about 15爇m from the shores of the Mediterranean Sea. It is marginally the largest commune in Aude, although the prefecture is the slightly smaller commune of Carcassonne.