Dar es Salaam in east Tanzania is located on an arm of the Indian Ocean. It is the country’s largest city and former capital, chief seaport, and principal commercial, manufacturing, and educational centre. Rail links extend inland to Arusha in the north, to Lakes Tanganyika and Victoria, and to Zambia. Dar es Salaam’s exports include coffee, sisal, cotton, and copper (from landlocked Zambia). Places of interest include Kariakoo market, the Botanical Gardens, National Central Library and the National Museum of Tanzania which has notable collections dealing with east African ethnography, archaeology, and history.