Arnhem Land goes from Port Roper on the Gulf of Carpentaria around the coast to the East Alligator River where it joins Kakadu National Park. The major towns are Jabiru on the Kakadu National Park border, Maningrida on the Liverpool River mouth, and Nhulunbuy (also known as Gove) in the far north east, on the Gove Peninsula. Gove is the site of large bauxite mine with an alumina refinery. Its administrative centre is the town of Nhulunbuy, the fourth largest town in the Northern Territory.