Mwanza is a city in northwest Tanzania and a southern port of Lake Victoria. It is the capital of Mwanza Region. According to a 2002 census, the population was 378,327, and Mwanza is the second largest city in Tanzania, after Dar es Salaam. It is located at an altitude of 1,140 meters above sea level. The city deals with much of the lake trade with neighboring Uganda and Kenya. Industries include fishing, meatpacking, and manufacturing textiles and soap. Mwanza is connected by rail with Dar es Salaam and Dodoma. To the South, a dirt road connects Mwanza to Shinyanga and Singida and progress has been made to pave it. To the East, Mwanza is connected to the Western Gate of the Serengeti and Musoma via tarmac road. Mwanza is the cultural centre of the Sukuma, the largest ethnic group in Tanzania. A famous landmark is the Bismarck Rock, a large outcrop of granite rocks.