Oruro (hispanicized spelling) or Uru Uru is a city in Bolivia with a population of 264,683 (2012 calculation), located about equidistant between La Paz and Sucre at approximately 3709 meters above sea level. It is the capital of the department of Oruro. The city is also the seat of the Roman Catholic Diocese of Oruro. Oruro is subject to boom or bust cycles due to its dependence upon the mining industry, notably tin, tungsten (wolfram), silver and copper.